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SpireJekkie — Papyrus X Reader: How To Make a Giggle Potion
#ticklish_reader #tickling #readerinsert #undyne #ticklishbelly #undertale #papyrustheskeleton #undertalexreader
Published: 2016-11-02 18:20:51 +0000 UTC; Views: 10338; Favourites: 26; Downloads: 0
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How To Make a Giggle Potion

Description: You show Papyrus and Undyne how to make a sweet beverage, but your favorite skeleton has other ideas. This is a sequel to my other Papyrus story, ‘No Chloroform’, but reading it isn’t required to understand this story. Reader insert, and the relationship can be platonic or romantic.

Warnings: This is a tickling story, so if you are susceptible to suddenly passing out from sweetness overload, please proceed with caution or move along. Also has light swearing.



“Alrighty, now that these are frosty cold, we can start,” you said cheerfully, pulling three bottles of the Flying Cauldron Butterscotch Beer out of Undyne’s refrigerator and setting them on her counter. If you weren’t concocting that recipe for root beer floats, you would have just split the package with Papyrus while curling on the couch watching stupid movies instead. The soda was just that good, and, thankfully, the whole ‘beer’ thing was a loose description, since it really wasn’t alcoholic.

But what better way to enjoy butterscotch soda than with friends, and adding to the recipe?

Well, one friend, and one fish monster who was friends with your friend, but didn’t like you.

Behind you, Undyne had her arms crossed, posture against the furthest corner of the room, and a pout on her face. Obviously, she was still mentally asking herself why she agreed to let you come into her house, and make butterscotch floats for the three of you.

But didn’t you share that same hesitation? She didn’t exactly seem the forgiving type for you being a human with the last SOUL Monsters needed to shatter the Barrier that kept them all and yourself underground, and being under the protection of Papyrus.

You still remembered the ‘nicknames’ she came up with for you as her way of coping with your presence. Let’s see, ‘Dream Killer’, ‘Warden’, ‘Friend Stealer’, when she found out that Papyrus had even opened his home to you, and a few others that you preferred not to say aloud, even if you weren’t as shy as you used to be.

The only reason you even considered going into the belly of the beast, so to speak, was at Papyrus’ insistence to at least try to be friends with the Captain of the Royal Guard.

You could only hope you didn’t regret trusting him.

Taking three tall glasses, you poured out the sodas, watching butterscotch sparks fly up at all the fizzling. Papyrus took one glass and eyed the bronze-colored beverage. “WOWIE . . . I’VE NEVER HAD BUTTERSCOTCH SODA BEFORE! . . . ARE YOU SURE IT ISN’T MAGIC?”

You concealed a laugh under your hand. Quite frankly, you had thought to yourself how magical the flavor was, too. “I’m sure, Paps. Us Humans, we may seem magical, but we have talents that extend beyond mystics and sorcery, and someone had the means to turn butterscotch into soda. Though Gerson sure knows how to make me pay for my craving it.”

The old turtle in Waterfall once told you the story of how Monsters even got their hands . . . claws . . . paws . . . whatevers . . . on Flying Cauldron Butterscotch Beer. Someone on the Surface had apparently thrown a full four-pack away, and the bottles ended up in Waterfall, where Gerson managed to recreate the formula, box, and all, and sold them at his shop. Though at a heavy price, since he considered that trade a secret business, and wouldn’t sell to you unless you asked. It was only through Sans that you ever found out about it being sold there.

“SO CAN I DRINK IT NOW?” Papyrus beamed.

You placed your hand on his glass and gently forced it back onto the counter. “Not yet. I just need one last thing.” Turning to Undyne, “Can you get the ice cream, please?” As you looked back to the counter and the three glasses, Undyne’s only response were footsteps and the refrigerator door opening.

Some shuffling of frozen food and frost crackling behind you, then the door closing again. You didn’t even pick your head up as a metallic slam sounded right next to you. “I’m sorry. I didn’t clarify,” you said dryly. “The vanilla ice cream, not the cyanide ice cream.”

“Oh, yeah?” Undyne challenged. “What’s the matter? Can’t handle real ice cream? That vanilla stuff’s for wimps!”

“Are you sure? Because I recall we Humans were the ones who won the War?” you shot back, tongue sharpened with the wit and will to beat her. “So I guess this ‘oh-so powerful’ cyanide ice cream isn’t so strong after all.”

Papyrus was suddenly between the both of you, one hand to each person to hold them back.  “HUMAN,” he pleaded, “YOU PROMISED.”

You sighed through your nose. Getting him upset that your efforts to befriend Undyne were half-assed wasn’t worth taunting her. “You’re right, Papyrus.” Facing Undyne, “I’m sorry. Especially for that war thing.”

Undyne puffed her chest out, already forgetting your insult. “The only reason Monsters lost was because I wasn’t born yet to put you losers six feet in the ground! Ha ha!” She turned away, laughing triumphantly to herself as though she had already won.

You rolled your eyes, going back to your task as she returned with the correct ice cream. Even though she didn’t put the cyanide-flavored one back.

“Alright, now,” you took a metal scoop out, “Each glass gets one full scoop.” You dug three helpings of the vanilla out and carefully let them slide into the glasses. “I would say, let them sit and freeze for a bit, maybe a half hour.”

“Hmm. And you said they call these, ‘Giggle Potions’?” Undyne spoke up. “Why?”

You shrugged, rising to set the three drinks away in the refrigerator. “I really don’t know. I guess vanilla, butterscotch, and soda combined make a tickly flavor?”

As you closed the door and got back to the counter, Papyrus suddenly got close, very close to your side. “WELL, I KNOW A MUCH BETTER WAY TO MAKE THIS GIGGLE POTION!”

“Hm?” You tried to distance yourself, but he had a firm grip on your shoulder. He had a foxy glint in his sockets, one that you were going to ask about, but was suddenly cut off by a small pinch at your side.

You yelped, jumping a foot away, but Papyrus only closed that distance and scribbled at your ribcage.

“Pahahaps, whahat the hell? Undyne’s watching!” You gestured to her, hoping that he would catch on how embarrassing this was, but she was wearing an evil grin. She didn’t side with you when it came to the fate of Monsters and Humans, and she certainly wasn’t going to side with you now.

“OH, I KNOW, HUMAN! I JUST THOUGHT SHE MIGHT WANT TO SEE MY FAVORITE SIDE OF YOU!” You nearly fell over from hysterics, but he caught you by the wrists and held you midair. This unfortunately caused your shirt to ride up a bit, enough to give him a better idea.

“Pahapyrus . . . whatever it is you’re thinking, forget about it and put me down. Now.” Your legs swung helplessly as you struggled, being held too far away to actually nudge him with your kicking feet.

The skeleton readjusted his hands so that one was wrapped around both wrists. “HMMM . . . UNDYNE, WHAT DO YOU THINK I SHOULD DO?”

You gasped. “N-no! Leave her out of this!”

Undyne chuckled at your begging. “Why? This is my house. I can invite whomever I want, and let my visitors do whatever they want here. I’ve the same right to be in this interesting conversation that you two have. Although . . .” She stalked right up to you. “I’ve always wanted to see just how ticklish you human punks can be.”

“OH! WHY, YOU COULD HAVE JUST ASKED TO JOIN ME, UNDYNE!” Papyrus grinned eagerly, much to your horror.

“G-guys, really, you don’t have to do thi-ahhh!” Undyne’s webbed hands practically pounced on your bare stomach and scribbled all over. Her ruby nails may have short, but they were sharp, too, making that ticklish sensation all the more worse than the fact that with Papyrus holding you like he did, you couldn’t escape.

“Hehehehhehe! Undyne! Quihihihhit it!”

“Hmm,” she gnawed her lower lip in thought, “Nah.” She closed her hands into fists and kneaded along your hips. You bucked like crazy, your legs kicking out from all that ticklish energy already consuming you. Papyrus let out a few ‘NYEHs from behind you, laughing along with you.

“WOWIE! YOU GET MORE AND MORE TICKLISH EVERY DAY! IT’S A WONDER YOU HAVEN’T MELTED INTO MUSH BY NOW!” He used his free hand to prod at each of your ribs, counting very quietly under his breath, a teasy habit of his that he knew you had a burning hatred for.

“P-P-Pahahahaps! Put me dohohohown, plehehehehehehease!”

The both of them ignored your pleas as little mirthful tears cornered your eyes, only sharing their mischievous grins along with your forced one. They weren’t going to let you go, were they?

While in your struggling, you somehow hooked your leg around Undyne, accidentally pulling her closer to you.

“Heh heh, kid, if you wanted to get to get to know me better, all you had to do was ask.” She took the closed distance as an invitation to wrap both arms around you and trail her nails along your spine, reducing your laughter down to soft giggles. “I like to call this strategy, ‘The Feint Talk’. See, right now I’m chatting with you, being cool and all. But that leaves you open for me to -” she suddenly attacked your shoulder blades, eliciting a squeal from you “- disable your blades! Ha!”

“Undynehehehe!” you screamed.

“Hey, check it, Paps,” she thrust her head at him, “They’re laughing when they say my name. Tch, I dunno, maybe they’re more interested in me than you.”

“NOT TRUE!” You heard him say as he finished counting your ribs. “THE HUMAN WAS MY FRIEND FIRST! THEY’RE MORE INTERESTED IN ME!”

“You sure? They’re almost as blue as I am. I think we’d make a perfect match!” She wasn’t wrong. You were gasping for air that you probably were getting pretty oxygen-deprived.

“BUT . . . BUT -! WHAT ABOUT ALPHYS? SHE’S ALREADY -”

“Hey!” she cut him off. “Are we gonna argue about who has who, or are we gonna tickle the living snot out of this punk?”

“Argue! Plehehehease go ahahahargue!” you cut in.

The two of them glanced down at you. True curiosity filled their eyes, as though just now realizing you were here.

Papyrus broke the silence after a few moments of consideration with, “WHAT KIND OF BEST FRIENDS WOULD WE BE, TO ARGUE LIKE THAT? YOU’RE RIGHT, UNDYNE, LET’S TICKLE THE HUMAN!”

You cried out in desperation as they both went back to loving your soft belly and ticklish backbone. Already your skin felt like it was tingling, a sure sign you were nearing your limits, but still they didn’t let up.

In an attempt to stop her, you purposely hooked both legs around Undyne’s to try and pull them out from underneath her. If she fell over, perhaps she would understand that you were a human with limits, and one that she shouldn’t have trifled with.

Yet as you yanked your legs back with hers, the combination of her strength and your weakness proved your sorry plan futile. Even if you weren’t so frail from all this merciless tickling, you doubted you could even knock her over; she was just that strong.

Papyrus finally seemed to notice your struggling and finally took his hand away from your stomach. Undyne didn’t notice, as she was still scratching away, at your underarms.

“ALRIGHT, UNDYNE. I THINK MY HUMAN’S HAD ENOUGH.”

With all obvious reluctance, she obeyed, crossing her arms. But she didn’t stand up quite yet. “Fine. If that’s what you want, Paps. Still, could I do one, last thing with you?” Raising her webby hand to his ear (or, rather, the space where his ear would have been), she whispered something, the seconds ticking by as his skeleton grin somehow grew wider.

“WELL THEN!” he said, “WOULDN’T THAT BE A PERFECT FINALE TO SUCH FUN?”

“P-papyrus, whahat did she say?” You squirmed, your body swinging like an unbalanced pendulum, as you were still in held up by your wrists. But he didn’t answer. “Papyrus, please! What did she tell you?” Your heart was hammering so painfully right now as dread coursed in your veins much as blood.

He lifted the arm that was holding you so that your stomach was up to his eye level. Part of you wonder just how strong he really was, to have that ability to hold someone around your weight. You were thin, but you weren't exactly lanky, either.

Undyne stood next to you, at an angle where she could see your exposed stomach, too. “Ready?”

“I AM!” Papyrus answered.

It hit you. “G-guhuhuhuys, please don’t!”

“Aww, we haven’t even done anything, and you’re already laughing. I guess we really are the best tickle monsters around!” She narrowed her eyes bringing her face close to your belly. Papyrus did the same.

“N-nohoho! Don’t!”

They counted in tandem. “One.”

“Pleasepleasepleasepl - nahahahahaha! Nohohohoho stahahap!”

They suddenly blew those accursed raspberries right on your stomach in one, long, collective breath, throwing you into hysteria. For a good solid fifteen seconds, that one breath assaulted your nerves and threw your brain on the fritz. You could only squeal and laugh and beg for it to be over!

And just when you thought you were going to lose your mind, they pulled away from you, and Papyrus set you down. At once you trusted your weight on the counter, face planting on the wood as huge gasps for sweet air were of the only sounds you could make.

“Heh. We really got ‘em good,” you heard Undyne say, an evil smile plain in her voice.

“Hah . . . hah . . . what . . . hahahahappened to the . . .” Deep breath. “Other numbers? When you were . . . hahahahaa . . . were counting?” You finally had the strength to lift your head and look at the fish monster.

She raised a hand, sticking out two fingers. “Two, three. There, you happy?” She turned away to finally put the cyanide ice cream away.

As she did, you thought carefully about her question. Even though you still abided by the opinion that you hated being tickled, there was no denying that happy adrenaline filling your brain.

“Y . . . yehehes.” Then turning to Papyrus: “Thahahat . . . wasn’t cool.”

He crossed his arms. “I HAVE TO DISAGREE, HUMAN. I AM THE COOLEST SKELETON OF THE UNDERGROUND, AND COOL SKELETONS MUST DO WHAT THEY MUST TO UNITE FRIENDS . . .EVEN IF IT’S EXPLOITING SUCH TICKLISH NERVES.”

“Hah . . . hah, I’m gonna get the Giggle Potions out. Might be . . . ready by now.” You hobbled over to the fridge and got all three out, seeing they were indeed ready. “All yours. Enjoy, you jerks.”

Even though you had shaped your words in anger, your tone and smile betrayed that you had as much fun as they did.

“I’m getting a movie to have these with!” Undyne declared, rushing off to her room to pick one out. She came back a moment later with [favorite stupid movie] in hand, then forced you and Papyrus to the couch.

You carefully passed each Giggle Potion to its recipients, then snuggled into Papyrus’ side as you delved into the movie.

You heard him slurp down his drink contently. “WOW! THESE ARE BETTER THAN I THOUGHT!” Undyne grunted likewise, apparently choosing to play ‘Chugging Contest’ with hers.

A small smile slipped onto your lips. “Well, I did improve the flavor, didn’t I? That’s just why these are called, ‘Giggle Potions’.”

“OF COURSE! YOU ARE MY FRIEND, AND FRIENDS DO SILLY STUFF LIKE THIS TOGETHER. RIGHT, UNDYNE?”

She at once turned to you both and nodded heartily. “Right!”

You smiled at her. Papyrus was right all along. You and Undyne could become great friends, same as you and him were. And who were you to mistrust your favorite skeleton?



The End

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Comments: 9

MMPR426 [2021-12-21 00:00:26 +0000 UTC]

👍: 0 ⏩: 0

CrazygirlAuto5 [2016-11-02 21:00:24 +0000 UTC]

Excellent sequel! You did great on this one!

👍: 0 ⏩: 0

TheOtherGuy098 [2016-11-02 20:54:43 +0000 UTC]

Another cute story, Jekkie~. ^^
This gave me an idea for a suggestion. Do you want it?

👍: 0 ⏩: 1

SpireJekkie In reply to TheOtherGuy098 [2016-11-03 00:13:50 +0000 UTC]

Sure, ask away. I got another request, but I'll do both yours and the other one before any of my other story ideas!

👍: 0 ⏩: 1

TheOtherGuy098 In reply to SpireJekkie [2016-11-03 00:16:21 +0000 UTC]

I would love to see an Undyne x Alphys tickle story. The rest is up to your imagination, which is full of great ideas. ^^

👍: 1 ⏩: 1

SpireJekkie In reply to TheOtherGuy098 [2016-11-03 00:32:39 +0000 UTC]

Aww, thank you, I try. But, yeah, Alphys x Undyne tickling is something this Fandom severely lacks. Will definitely write that soon. 

👍: 0 ⏩: 1

TheOtherGuy098 In reply to SpireJekkie [2016-11-03 00:36:38 +0000 UTC]

Thank you. ^^
What is an idea that you came up with? You can make it vague if you want, spoilers could be present. Ep

👍: 0 ⏩: 1

SpireJekkie In reply to TheOtherGuy098 [2016-11-03 01:03:30 +0000 UTC]

I'm not sure which you mean, the Alphys x Undyne story or my planned stories in general, but I'll explain for both. I don't have any ideas that stand out for the Alphys x Undyne story yet, but usually it comes naturally after a few days.
And for my planned stories, I actually have a whole list of them written down, including sequels to my Mettaton and Asgore stories, and one aimed for Muffet as a co-character. 

👍: 0 ⏩: 1

TheOtherGuy098 In reply to SpireJekkie [2016-11-03 01:04:51 +0000 UTC]

Cool. I'll be looking forward to reading them. ^^

👍: 0 ⏩: 0