headcanon-hatchery-blog

[headcanon-hatchery-blog]

Ooo is this a poly-relationship?

Sorry if this is a late response, but honestly.... I haven't really thought about it that much, haha! For now though, I'm going to go with a tentative yes, since that seems to be what everyone else is doing. Feel free to specify if you just want to ask about me x one other character; I'm not picky!

[headcanon-hatchery-blog]

*Tortoise senpai has noticed you! <3 Tell me about what your confession to Classic was like (or did he confess first?), what qualities you like most about Red, and what's your favorite date with Stretch been like? =D

Hi, and thanks so much for asking!!! And as for the answers:

- In Classic’s case, we started out as good friends and gradually came to the mutual realization that we had feelings for each other. We were both really nervous about how a confession might turn out, so rather than going for a formal, romantic gesture, he just sat me down and bluntly asked if we should try going on a couple of dates, just to see if a relationship between us might work. I agreed to try it out, and the dates were a lot of fun! Doing couples’ things was a bit awkward at first, but since we were already quite comfortable with each other, it wasn't too difficult to ease our way into kissing, cuddling, etc. 

- There’s a lot of things I like about Red! First and foremost, he’s, like, WAY more smooth and charming than I am. He’s usually the one initiating things, and doesn’t really mind if I’m feeling shy or not catching on to what he’s implying at first. Plus, he’s not a fan of being affectionate in public, which I can appreciate since I’m super self-conscious about my actions around other people. I also appreciate how he’s always looking out for me and scaring away creeps, and how he’s not afraid to be blunt and direct, and doesn’t lie or sugarcoat things just to make me feel better.

- When it comes to dates with Stretch, there isn’t a whole lot of ‘going out and doing things’. It’s more lowkey and tends to involve staying in the house. I did get to drag him to the beach once, though. I’m not typically a huge fan of beaches, but for this occasion, we found a more quiet part of the beach, and got to unwind and enjoy the scenery. I got some nice pictures of seagulls and crabs, and we even saw a dolphin! He seemed to enjoy seeing me getting all excited over the wildlife. We came home with some really nice seashells. :)

[headcanon-hatchery-blog]

(self ships are in my blog desc c:)

YA’LL DONE DID IT.

YA’LL DONE FORCED MY HAND. SO WE DOIN’ THIS.

Hi! My name’s Annaka and even though I’m rather new to the self ship community I want to organize an event.

Here’s what I want to do: for 24 hours I want your favorite F/O (or a different F/O every couple of hours) to take over your blog. People will ask your F/O questions about you. How much they like you, what they like about how, why they like so much etc etc. You can change your blog description so we know which F/O is up and about.

Rules:

-You gotta ask people questions

-Your F/O can’t say anything negetive about you bc that will be considered Very Out Of Character

-You recognize that you are loved by your F/O and the community.

I want to do a Test Run Tomorrow(aka Saturday the 24th of March) to see how well it will works so I have time to tweak it before we go Full Ham. Or we go Full Ham tomorrow! You all deserve to know you’re loved.

Spread this around as quickly as possible so everyone has a bit of time to prepare!!

I can’t believe I get to like, literally say this. But like

Signal Boost!

[headcanon-hatchery-blog]

Psst, hey guys. Just how cute is Ness? ~ Mod God

Sans Classic CuteNess Rating: adorable/10. she can often be seen cuddling with baby goats.

Underfell Sans CuteNess Rating: precious/10. she really likes affection but is often too shy to initiate it.

Underswap Papyrus CuteNess Rating: bee-utiful/10. she hooks him up with authentic honey from bees instead of the processed kind from the store; says it’s “good for your soul”

[headcanon-hatchery-blog]

S/o plays a little game were they teasingly avoid their skeletons kisses with a challenging playful smirk. For UF/US/UT Sans and US Paps?

Sans:

Thetwo of you are cuddling on the couch when he leans in for a smooch.You tilt your face away. But why? Whatever could be the matter? …Ah.He’s been reading faces long enough to know what that expressionmeans. This is a challenge, isn’t it? He moves in a couple moretimes, but you keep dodging his moves. Oh well, he’s too lazy to keeptrying anyway. Guess he’ll just have to lay on top of you and take anap as payback. Now you have no choice but to cuddle your cuteboyfriend for at least two hours. God, what have you done?

UF!Sans:

C'monbaby, just one little peck? He thought kissing you was supposed to bea GOOD thing, since it proves that he’s, like, more sweet andsofthearted than he looks or whatever. Hmph, fine, if you want toplay that game, then he’ll accept your challenge. He leaves you alonefor a while, waits until you’re at your most vulnerable andunsuspecting, and then……. sneak attack! He’s got you in his armsin a super tight grip, and is full-on frenching you. By the time he’sfinished getting his revenge, you’ll want to do a lot more with himthan just kissing…

US!Sans:

Ahh,so it’s a kissing game you want, eh? Well prepare yourself, honeybun,because the Sensational Sans is the master of both kisses and games!What starts as you playfully teasing him turns into an all-outfriendly competition, to see who can plant a kiss on their lover’smouth first. It’s a spectacular display of acrobatics– he’s dodgingevery swipe! He parries to the left! You counter to the right! Youcatch him on the neck! He’s too flustered to keep fighting back now,and you eventually go in for the kill by trailing your lips up hisspine and across his jaw, finishing off with a sweet kiss on histeeth. Your normally competitive boyfriend does not fight back.

US!Papyrus:

Hmm,so he feels like going in for a smooch, but you keep ducking out ofthe way every time, and flashing a shit-eating grin as you do so, forthe sole purpose of getting under his non-existent skin. What’s apoor innocent monster like him to do? Oh, right– this! Your face isblue now, and you feel it tug forward a bit as his teeth meet yourlips, and his fingers run through your hair while he kisses youslowly, tenderly, like you’re the only thing in the world thatmatters. You notice that your face is free now, and proceed to returnthe favor……..only for him to dodge expertly before walking away.Maybe you’ll think twice now before pulling something like thatagain, right babe?

[headcanon-hatchery-blog]

Yoooo

That thing people are doing today??? Where their F/O(s) (fictional other(s)) take over the blog and people ask them questions about their relationship??? I’m not good at that shit. I can’t RP to save my life. But!!! While I work on imagines today!!! If anyone wants to ask me questions about my self-insert relationship headcanons, then I’d be happy to answer them while I work! And if anyone wants a question from me, come into my inbox and tell me that you’re participating in the event, and I’ll send you one!

- Ness

[headcanon-hatchery-blog]

i don't know what time zone ur at but 4pm cst is when i'm usually on tumblr, i think maybe you should run a poll of what times work for u and we pick the one that works for us out of ur choices

For me, it's EST! And I suppose I could run a poll, but since I am able to queue posts, my main intent was to find out when other people are on so I can schedule posts to appear during that time frame. Thanks for the suggestion though, I'll keep it in mind!

[headcanon-hatchery-blog]

IMPORTANT QUESTION FOR Y'ALL:

What time would you guys MOST prefer to see new posts? I have about 40 followers at this point, but my last few headcanon posts have had almost zero activity. I'm beginning to worry that this is due to me posting them at a bad time, and therefore not many people actually see them. If you see this post and look forward to new content, it would be a really big help if you let me know what time of day you're MOST likely to see my posts-- either as a reply to this post, or in my inbox, doesn't matter. (Be sure to include your time zone too!) Hope to deliver some more headcanons soon! - Ness

[headcanon-hatchery-blog]

sans undertale: get dunked on

fell sans: get fucked

swap papyrus: git gud

swapfell/fellswap/whatever papyrus: get on my level bitch

[headcanon-hatchery-blog]

How would Ut, Us, Uf, and Sf skeleton brothers react to their SO having powerful sleep and dream magic. So much so, that it even affects them and makes them pleasantly sleepy. They've been using this magic throughout their journey through the underground, just making the violent monsters fall asleep and give them sweet dreams.

Note: Even though this one technically does not abide by the rules, I’m making an exception this time, since I’m pretty sure it came in before I set up a proper mobile link to them, and therefore you may not have read them. Sadly I don’t do SF, but the first three are perfectly fine! Just be sure to remember for next time, ok? And if anyone has any issue accessing the rules, just let me know! C:

Sans: 

Heyyyy, that’s pretty cool. Now he has an actual excuse to sleep on the job now! Whenever his brother gives him a hard time, all he has to say is “sorry, guess my babe’s magic got out of hand again.” Nine times out of ten, he’s off the hook. But hey, he thinks it’s great that you’re defending yourself nonviolently. You’re using your power responsibly, unlike some humans he knows…

Papyrus: 

Incredible!!! You slippery snail!!! He’s always wondered why he happened to fall asleep every time he’d almost managed to capture you– he’s both impressed and annoyed! Well, it’s a good thing you two are an item now; at least this way, you aren’t constantly competing against each other anymore. Just promise him you’ll use your powers for good!!!

US!Sans:

Is the most likely to be worried about your health and lifestyle. Assuming your perpetual drowsiness is something you have no control over, he’s going to be a very doting boyfriend, always making sure you’re eating enough, trying to get you into some light exercise, and keeping you aware of your surroundings. He may even consider getting Alphys to help you with refining your skills so that your power doesn’t weigh you down as much– although that might be difficult, since she’s still a bit salty about all the times you made her fall asleep…

US!Papyrus:

Doesn’t mind a bit. Heck, he really appreciates your power. The ability to literally sleep whenever you want? And make other people sleep whenever you want? Sign him the fuck up! You two will probably do a lot of napping and cuddling together; it’s one of his favorite ways to show affection to you. He might mess with you sometimes while you sleep (the classic “whipped cream in the hand” prank, for example), but he’s careful not to take it too far.

UF!Sans:

Well, he’d be lying if he said he didn’t worry about you sometimes. It’s easy to take advantage of someone while they’re sleepy, y’know? But you do seem to pacify any potential threats with much issue, so it’s not like he’s in a constant state of panic or anything. Plus, the sweet dreams you bring are a real godsend sometimes. With the harsh life he’s had, it’s nice to have a pleasant sleep every once in a while. Maybe if he decides to get his life together, you can help him have a proper sleeping schedule.

UF!Papyrus:

Honestly, your power will make it really difficult for him to get along with you to begin with, let alone the possibility of him being your boyfriend. He’d been trying so hard to capture you when you first met, but you just! kept! making him! fall! asleep! It deeply wounded his poor fragile desert bloom of an ego. Eventually though, when he gets over himself and starts to warm up to you more, he finds that your power is actually quite…. useful. If you’re up for it, he’d love to have you on his outings every once in a while, as you’d be a great help with quickly eliminating any major nuisances.

[headcanon-hatchery-blog]

How would Ut, Us, Uf, and Sf skeleton brothers react to their SO having powerful sleep and dream magic. So much so, that it even affects them and makes them pleasantly sleepy. They've been using this magic throughout their journey through the underground, just making the violent monsters fall asleep and give them sweet dreams.

Note: Even though this one technically does not abide by the rules, I’m making an exception this time, since I’m pretty sure it came in before I set up a proper mobile link to them, and therefore you may not have read them. Sadly I don’t do SF, but the first three are perfectly fine! Just be sure to remember for next time, ok? And if anyone has any issue accessing the rules, just let me know! C:

Sans: 

Heyyyy, that’s pretty cool. Now he has an actual excuse to sleep on the job now! Whenever his brother gives him a hard time, all he has to say is “sorry, guess my babe’s magic got out of hand again.” Nine times out of ten, he’s off the hook. But hey, he thinks it’s great that you’re defending yourself nonviolently. You’re using your power responsibly, unlike some humans he knows…

Papyrus: 

Incredible!!! You slippery snail!!! He’s always wondered why he happened to fall asleep every time he’d almost managed to capture you– he’s both impressed and annoyed! Well, it’s a good thing you two are an item now; at least this way, you aren’t constantly competing against each other anymore. Just promise him you’ll use your powers for good!!!

US!Sans:

Is the most likely to be worried about your health and lifestyle. Assuming your perpetual drowsiness is something you have no control over, he’s going to be a very doting boyfriend, always making sure you’re eating enough, trying to get you into some light exercise, and keeping you aware of your surroundings. He may even consider getting Alphys to help you with refining your skills so that your power doesn’t weigh you down as much– although that might be difficult, since she’s still a bit salty about all the times you made her fall asleep…

US!Papyrus:

Doesn’t mind a bit. Heck, he really appreciates your power. The ability to literally sleep whenever you want? And make other people sleep whenever you want? Sign him the fuck up! You two will probably do a lot of napping and cuddling together; it’s one of his favorite ways to show affection to you. He might mess with you sometimes while you sleep (the classic “whipped cream in the hand” prank, for example), but he’s careful not to take it too far.

UF!Sans:

Well, he’d be lying if he said he didn’t worry about you sometimes. It’s easy to take advantage of someone while they’re sleepy, y’know? But you do seem to pacify any potential threats with much issue, so it’s not like he’s in a constant state of panic or anything. Plus, the sweet dreams you bring are a real godsend sometimes. With the harsh life he’s had, it’s nice to have a pleasant sleep every once in a while. Maybe if he decides to get his life together, you can help him have a proper sleeping schedule.

UF!Papyrus:

Honestly, your power will make it really difficult for him to get along with you to begin with, let alone the possibility of him being your boyfriend. He’d been trying so hard to capture you when you first met, but you just! kept! making him! fall! asleep! It deeply wounded his poor fragile desert bloom of an ego. Eventually though, when he gets over himself and starts to warm up to you more, he finds that your power is actually quite…. useful. If you’re up for it, he’d love to have you on his outings every once in a while, as you’d be a great help with quickly eliminating any major nuisances.

[headcanon-hatchery-blog]

How would Ut, Us, Uf, and Sf skeleton brothers react to their SO having powerful sleep and dream magic. So much so, that it even affects them and makes them pleasantly sleepy. They've been using this magic throughout their journey through the underground, just making the violent monsters fall asleep and give them sweet dreams.

Note: Even though this one technically does not abide by the rules, I’m making an exception this time, since I’m pretty sure it came in before I set up a proper mobile link to them, and therefore you may not have read them. Sadly I don’t do SF, but the first three are perfectly fine! Just be sure to remember for next time, ok? And if anyone has any issue accessing the rules, just let me know! C:

Sans: 

Heyyyy, that’s pretty cool. Now he has an actual excuse to sleep on the job now! Whenever his brother gives him a hard time, all he has to say is “sorry, guess my babe’s magic got out of hand again.” Nine times out of ten, he’s off the hook. But hey, he thinks it’s great that you’re defending yourself nonviolently. You’re using your power responsibly, unlike some humans he knows…

Papyrus: 

Incredible!!! You slippery snail!!! He’s always wondered why he happened to fall asleep every time he’d almost managed to capture you– he’s both impressed and annoyed! Well, it’s a good thing you two are an item now; at least this way, you aren’t constantly competing against each other anymore. Just promise him you’ll use your powers for good!!!

US!Sans:

Is the most likely to be worried about your health and lifestyle. Assuming your perpetual drowsiness is something you have no control over, he’s going to be a very doting boyfriend, always making sure you’re eating enough, trying to get you into some light exercise, and keeping you aware of your surroundings. He may even consider getting Alphys to help you with refining your skills so that your power doesn’t weigh you down as much– although that might be difficult, since she’s still a bit salty about all the times you made her fall asleep…

US!Papyrus:

Doesn’t mind a bit. Heck, he really appreciates your power. The ability to literally sleep whenever you want? And make other people sleep whenever you want? Sign him the fuck up! You two will probably do a lot of napping and cuddling together; it’s one of his favorite ways to show affection to you. He might mess with you sometimes while you sleep (the classic “whipped cream in the hand” prank, for example), but he’s careful not to take it too far.

UF!Sans:

Well, he’d be lying if he said he didn’t worry about you sometimes. It’s easy to take advantage of someone while they’re sleepy, y’know? But you do seem to pacify any potential threats with much issue, so it’s not like he’s in a constant state of panic or anything. Plus, the sweet dreams you bring are a real godsend sometimes. With the harsh life he’s had, it’s nice to have a pleasant sleep every once in a while. Maybe if he decides to get his life together, you can help him have a proper sleeping schedule.

UF!Papyrus:

Honestly, your power will make it really difficult for him to get along with you to begin with, let alone the possibility of him being your boyfriend. He’d been trying so hard to capture you when you first met, but you just! kept! making him! fall! asleep! It deeply wounded his poor fragile desert bloom of an ego. Eventually though, when he gets over himself and starts to warm up to you more, he finds that your power is actually quite…. useful. If you’re up for it, he’d love to have you on his outings every once in a while, as you’d be a great help with quickly eliminating any major nuisances.

[headcanon-hatchery-blog]

Happy Valentine's Day!

Hey, everyone! Just stopping by to wish you all a happy valentine's day! To get in the spirit of a holiday centered around interacting with people and being in love, I thought it'd be fun to start up an interactive thing! If you're part of the undertale imagines community (even if you just follow imagine blogs; you don't have to run one yourself!), feel free to reblog and say which character(s) you love the most! It can be in the body of the post or the tags, doesn't matter!

I'll go first-- my personal faves are Sans classic, Underfell Sans, and Underswap Papyrus! I just got a thing for lazybones, what can I say? :P

[headcanon-hatchery-blog]

Hello, thank you for posting mobile rules, I just wanted to make sure I don't brake any of hem by accident. So here's a first one: How do UF and US skelebros react to having an s/o that loves to cuddle? Is that okay if I spam you with questions for a bit?

Sure man, go ahead and ask all the questions you want. I’m always happy to answer!

UF!Sans:

Being the super cool and hardened tough guy that he is, he’s not a huge fan of big PDAs in public. That sort of thing could get you in trouble in the Underground, and even on the Surface, old habits die hard. But if you’re both at home, and he’s feeling tired, and he’s in a fairly good mood, then he doesn't mind too much. After all, it does give him the chance to tease you and try to get cute reactions out of you.

UF!Papyrus: 

Cuddling??? With this guy????? You’d better be extremely good at persuasion. In addition to the usual stigma his people have, he’s also a very active and busy monster. Oh, and he always has a stick up his ass…. metaphorically speaking, of course. Although he does try to have at least some time to spend with you, if you’re someone who often needs this sort of affection, you two may not be the best match. 

US!Sans: 

The good news? It’s super easy for him to be affectionate, and there’s hardly anything he loves more than spending time with you. The bad news? He, too, likes being physically active, so if you just ask for cuddles at any old time, although he may stick around for a while to indulge you, he’ll quickly get bored and antsy. The key to getting some snuggles from him is to go all out and do something with him for the whole day, and expend as much energy as possible. If you can do that, he’ll be all tuckered out for the evening– the optimal condition for snuggling.

US!Papyrus: 

Are you both sitting/laying in the same comfortable spot? Do neither of you feel like getting up? If both of those conditions are fulfilled, he’s ready for cuddles whenever you are. To say that you two will get along fine is quite an understatement. Not only is cuddling with someone you love Literally The Best Thing Ever™, it also gives both of you an excuse to not get up or do anything. Just don’t overdo it though– otherwise, you may never feel like being productive again. (Seriously, he’s super comfortable.)

[headcanon-hatchery-blog]

soo here's somewhat of a 'classic': us papaya and ut/us sans forgot their date with s/o. s/o waited for quite some time, even tried to call them, nobody answered. they had to walk back in the rain. but when they get home they're not even mad, just sad and a bit disappointed.

Sans:

Slowly, gradually, he awakens. Bleary eyes just barely manage to make out the time on the digital clock…. 3:32 pm. For once, he feels like he shouldn’t have slept in so late, but he can’t quite figure out why. It takes a moment for him to realize that his brother is shaking him and calling his name.

“yeah, yeah, i’m up. did you need something?”

“THAT’S WHAT YOU SHOULD BE ASKING YOUR HUMAN! THEY’VE BEEN TEXTING BOTH OF US FOR THE PAST SEVERAL HOURS, BUT YOU JUST WOULDN’T WAKE UP! THEY SEEMED REALLY WORRIED, TOO!”

Immediately, his eyes go black. Shit! The lunch date! He’d been sleeping through it the whole time! Why didn’t he set an alarm? God, he’s such an idiot!

Papyrus has never, in his life, seen Sans shoot out of bed so quickly. He tears through every corner of the house, grabbing random things and struggling to keep them in his arms.

“okay gotta go, i’ll be back in a few hours, text me sometimes and let me know how you’re doing, i’m leaving byeeeeeee!”

Then, he’s gone.

You see him suddenly materialize in your living room, with thick blankets, chip bags, dvds, and who knows what else in tow.

“i’m so sorry about what happened today. will you let me make it up to you?”

US!Sans:

Ahh, what a nice and productive day he’s had so far! Floors have been scrubbed, dishes have been washed, he’s finally gotten around to clearing out that pile of junk in the closet– this had certainly been one of his better deep-cleaning weekends! All he has to do now is get ready for the icing on the cake– a lovely date with you! He checks his phone to see how much time he has to prepare.

……….A second passes as he registers what’s happened. Then another. And another.

Five texts from you.

Three missed calls.

His phone on silent the whole time.

A scream pierces through the abode, and the newly washed glasses, much like his heart, shatter into pieces.

The next day, prepare to be barraged with a series of romantic gestures in his desperate attempt to make things right. He pulls out all the cliches– bouquet of roses, box of chocolates, fancy dinner date– the whole nine yards. You may think it a bit excessive, and it is, but to him, his loved ones are worth more than anything. Every date with you is important, so he feels like he has to do a lot to make up for such a blunder.

US!Papyrus:

Mmkay, so he’s not as bad as Sans Classic when it comes to one thing: at least he had the good sense to set an alarm and freshen up and everything– even if his definition of ‘freshen up‘ is ‘put on a relatively cleaner hoodie and wipe himself down with baby wipes’. But then, he figures, the date’s not until later in the afternoon, so why not doze off for about twenty minutes, to get some extra energy?

Except, of course, the twenty minutes turns into six hours, so when he wakes up to the freaking sunset filtering through the curtains, he’s so shocked that he drops whatever he’s holding and straight up freezes for a solid minute.

So, this guy? Kind of a piece of shit sometimes. He knows he’s messed up big time, but at the same time, he doesn’t want to be “in trouble”. So…. he…… kinda doesn’t ever bring it up unless you say something. Yeah. However, he does still genuinely care about you, so to make it up to you, he shows up unexpectedly one day soon after and invites you on a spontaneous date. He picks a place that he knows you love, and may even buy some sort of special reservation or bonus deal, if applicable. Heck, if you’re going somewhere with a gift shop, he’ll even get you something from there, too. Despite his flaws, he wants to make it clear that you still mean a lot to him.

[headcanon-hatchery-blog]

soo here's somewhat of a 'classic': us papaya and ut/us sans forgot their date with s/o. s/o waited for quite some time, even tried to call them, nobody answered. they had to walk back in the rain. but when they get home they're not even mad, just sad and a bit disappointed.

Sans:

Slowly, gradually, he awakens. Bleary eyes just barely manage to make out the time on the digital clock…. 3:32 pm. For once, he feels like he shouldn't have slept in so late, but he can’t quite figure out why. It takes a moment for him to realize that his brother is shaking him and calling his name.

“yeah, yeah, i’m up. did you need something?”

“THAT’S WHAT YOU SHOULD BE ASKING YOUR HUMAN! THEY'VE BEEN TEXTING BOTH OF US FOR THE PAST SEVERAL HOURS, BUT YOU JUST WOULDN'T WAKE UP! THEY SEEMED REALLY WORRIED, TOO!”

Immediately, his eyes go black. Shit! The lunch date! He’d been sleeping through it the whole time! Why didn't he set an alarm? God, he’s such an idiot!

Papyrus has never, in his life, seen Sans shoot out of bed so quickly. He tears through every corner of the house, grabbing random things and struggling to keep them in his arms.

“okay gotta go, i’ll be back in a few hours, text me sometimes and let me know how you’re doing, i’m leaving byeeeeeee!”

Then, he’s gone.

You see him suddenly materialize in your living room, with thick blankets, chip bags, dvds, and who knows what else in tow.

“i’m so sorry about what happened today. will you let me make it up to you?”

US!Sans:

Ahh, what a nice and productive day he’s had so far! Floors have been scrubbed, dishes have been washed, he’s finally gotten around to clearing out that pile of junk in the closet– this had certainly been one of his better deep-cleaning weekends! All he has to do now is get ready for the icing on the cake– a lovely date with you! He checks his phone to see how much time he has to prepare.

……….A second passes as he registers what’s happened. Then another. And another.

Five texts from you.

Three missed calls.

His phone on silent the whole time.

A scream pierces through the abode, and the newly washed glasses, much like his heart, shatter into pieces.

The next day, prepare to be barraged with a series of romantic gestures in his desperate attempt to make things right. He pulls out all the cliches– bouquet of roses, box of chocolates, fancy dinner date– the whole nine yards. You may think it a bit excessive, and it is, but to him, his loved ones are worth more than anything. Every date with you is important, so he feels like he has to do a lot to make up for such a blunder.

US!Papyrus:

Mmkay, so he’s not as bad as Sans Classic when it comes to one thing: at least he had the good sense to set an alarm and freshen up and everything– even if his definition of ‘freshen up‘ is 'put on a relatively cleaner hoodie and wipe himself down with baby wipes’. But then, he figures, the date’s not until later in the afternoon, so why not doze off for about twenty minutes, to get some extra energy?

Except, of course, the twenty minutes turns into six hours, so when he wakes up to the freaking sunset filtering through the curtains, he’s so shocked that he drops whatever he’s holding and straight up freezes for a solid minute.

So, this guy? Kind of a piece of shit sometimes. He knows he’s messed up big time, but at the same time, he doesn't want to be “in trouble”. So…. he…… kinda doesn't ever bring it up unless you say something. Yeah. However, he does still genuinely care about you, so to make it up to you, he shows up unexpectedly one day soon after and invites you on a spontaneous date. He picks a place that he knows you love, and may even buy some sort of special reservation or bonus deal, if applicable. Heck, if you’re going somewhere with a gift shop, he’ll even get you something from there, too. Despite his flaws, he wants to make it clear that you still mean a lot to him.

[headcanon-hatchery-blog]

If UF Sans, US Paps and UT Sans had fight with their s/o and if was the boys fault, how, if at all, would they apologize?

Sans: 

Despite his love for pranks and irritating sense of humor, he does have a high maturity level when it comes to serious situations. Because of this, he’s not likely to really hurt you unless a) he was insensitive by accident or b) he has his own side to an issue that he feels strongly about. If/when things happen to escalate too much, he yells one more time, then gets the heck outta there for a few hours to clear his head. He wants to come back with an even temper, so you two can talk about what happened and find a compromise, or at least see things from each other’s perspective.

UF!Sans: 

If it’s just a little squabble, he’ll get all shouty and mad, and then run off for a while to cool down, maybe down a small glass of alcohol to take the edge off his irritation. When he returns, he just acts like his usual charming self and pretends the fight never happened. It takes a lot for him to swallow his pride enough to actually say ‘sorry’, but if he sees that he’s deeply hurt your feelings, he’ll relent, apologize, and try to avoid doing whatever made you so upset in the first place.

US!Papyrus: 

Normally, when he’s messed up, he prefers to avoid acknowledging it and apologize in a more subtle way, such as buying a small gift or doing a favor. But knowing that he’s deeply hurt your feelings, and that he’s struggling to completely justify everything he said, he decides it’s time to be a bit more genuine. After you’ve both cooled down, he approaches you later and sheepishly offers a more direct “I’m sorry”….. followed by a hug, if you want one.