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1[[quoteright:350:[[Manga/{{Saki}} https://static.tvtropes.org/pmwiki/pub/images/saki-pinky.jpg]]]]
2[[caption-width-right:350:Now we know they mean '''[[SeriousBusiness business]]'''.]]
3
4->''"Earth, Water, Sea, Air! I declare a pinky-swear!"''
5-->-- '''Master Roshi''', ''Manga/DragonBall''
6
7Pinky swears are used as a way to form a pact or as a declaration of friendship between children. While the practice is considered cutesy and juvenile to older persons, children often take this kind of gesture [[SeriousBusiness seriously]], as if their very lives, [[SkewedPriorities or worse,]] ''[[SkewedPriorities friendships]]'', hang in the balance of words spoken over interlocked fingers.
8
9Usually this gesture is accompanied by a rhyme or "oath" spoken in unison by the pinky swearers. This can vary by region.
10
11While North American children tend to use the chant "Cross my heart and hope to die, stick a needle in my eye," Japanese schoolchildren use the following "oath":
12
13''Yubikiri genman, uso tsuitara hari senbon nomasu, yubi kitta'' which colloquially means: "Pinky promise pledge: If you're lying, I'll make you drink a thousand needles. Pinky promised!"
14
15"Yubikiri" means literally "finger cut", likely because of the timeless punishment of [[{{Yubitsume}} cutting off a finger if you fail or break a promise or contract]] (still practiced today amongst some {{yakuza}} and other gangsters), so the last bit of the promise is literally "our fingers have been cut!" to seal the deal. Also, the term ''hari senbon'', while meaning literally "1,000 needles", is also a regional slang term for a pufferfish, which is covered with 'needles' when inflated. So, they could also be promising to make you drink a puffer fish, which obviously would be painful, followed by a rather nasty death by neurotoxin.
16
17Russian children, too, use a similar pinky finger gesture when promising to be friends and no longer fight. The chant for this occasion can be roughly translated to English as the following: "Make peace, make peace, make peace, and don't fight anymore, and if you fight, I'll bite, and biting is not enough, I'll beat you with a brick... we cannot beat with a brick, we are friends now!"
18
19In Australia (and perhaps elsewhere) there is an understanding that if the pinky swear is broken, the one who broke it has their pinky finger broken in turn.
20
21A common variation is for an adult to make a "pinky promise" to a child as reassurance. Either at the child's request or to show that the adult understands how children feel. May end up as a HeroicVow. Commonly subverted into a KickTheDog moment by having the villain use a [[ChildrenAreInnocent child's trust]] in the pinky promise to trick them. Especially cruel villains may even [[EvilGloating mock]] the child for their [[DidYouActuallyBelieve gullibility]] after revealing their true motives. Unless the power of the pinky promise makes him do a HeelFaceTurn.
22
23A cousin to this trope is the RedStringOfFate; which is connected by pinky fingers.
24
25See {{Yubitsume}} for when a character goes through with it and cuts off their finger.
26
27----
28!!Examples:
29
30[[foldercontrol]]
31
32[[folder: Advertising]]
33* The PSA ''Advertising/PinkyPledge'' features two girls making a pinky swear to stay safe online.
34[[/folder]]
35
36[[folder:Anime & Manga]]
37* ''Manga/The100GirlfriendsWhoReallyReallyReallyReallyReallyLoveYou'':
38** Rentarou uses this in Chapter 2 as a "failsafe" to ensure that nobody cheats during the blind kissing game.
39** Chiyo and Naddy use this in Chapter 71 as a promise not to tell Rentarou or the other girls about what they talked about at UsefulNotes/McDonalds.
40* Hatoko and Misaki in ''Manga/AngelicLayer'' make such a promise, cementing each other as TheOnlyOneAllowedToDefeatYou. [[spoiler:When Sai defeats Hatoko later on, they make another promise, that Misaki will beat Sai.]]
41* In ''Manga/{{Bakuman}}'', [[spoiler:Kazuya Hiramaru]] makes one with [[spoiler:Yuriko "Ko Aoki" Aoki]] that he will get serialized at the next meeting. [[spoiler:Takuro Nakai]] sees this and is quite horrified.
42* ''Manga/BetrayalKnowsMyName'': Tsukumo and Toko do this in episode 10.
43* ''Manga/{{Bleach}}'' anime episode 247. While Captain Ukitake is trying to recapture his zanpakuto's spirit Sogyo no Kotowari, he promises them that if they give him their weapons he'll play with them as long as they like. They ask him to pinky swear on his promise and he agrees.
44%%* ''Manga/{{Doraemon}}''
45* ''Manga/CardcaptorSakura'':
46** Also used in the last episode of ''Manga/CardcaptorSakura'', when Sakura and Shaoran vow to keep in touch.
47** That's not the only time... It's used in both the anime and the manga multiple times.
48* The trailer for the 21th ''Manga/CaseClosed'' movie has a flashback where a young [[spoiler: Heiji]] makes one with a just as young [[spoiler: Momiji]].
49* Lelouch makes a promise to Nunnally in ''Anime/CodeGeass'' that he will make a better world for her and never lie to her. Tian Zi and Li Xing-ke may have the most epic pinky swear in all of anime, in which Xing-ke promises to [[IOweYouMyLife use his life, which she saved, for the good of her country]] that results in WeddingSmashers, a coup d'etat and some GambitPileUp.
50* ''Anime/DanganronpaTheAnimation'': Makoto and Kyoko link pinkies before she heads off into danger. He's making her promise to come back safely.
51* Hijiri and Kazusa do this in ''Manga/DescendantsOfDarkness''.
52* ''Manga/DragonBall'':
53-->'''Master Roshi:''' Earth, Water, Sea, Air; I declare a pinky swear!
54%%* ''Franchise/SailorMoon''
55* ''Literature/HaruhiSuzumiya'':
56** Kyon did this with the adult Mikuru in ''Literature/HaruhiSuzumiya'', [[spoiler:when Kyon and the young Mikuru traveled 3 years back in time.]]
57** One of [[UncannyValleyGirl Ryoko]] [[CuteAndPsycho Asakura]][[TheIngenue 's]] [[ImageSong image songs]] is about pinkie promises.
58* In ''Webcomic/HetaliaAxisPowers'', Germany and Italy's Pact of Steel is forged with a pinky swear. Slightly subverted by the fact that both of them are grown men... Although Italy is a bit immature. It was Germany's idea, though; it's stated that he got the idea from Japan.
59* ''Manga/HisAndHerCircumstances'', including in the opening song
60** Not only that, the opening song is called "Tenshi no Yubikiri", meaning, "An Angel's Pinky-Promise".
61%%* ''Manga/RanmaOneHalf''
62%%* ''Literature/MariaWatchesOverUs''
63%%* ''Manga/{{Kodocha}}''
64* ''Manga/HunterXHunter'': Gon makes a pinky swear to his mother figure Mito to come back to her safely after he becomes a hunter. He also makes a pinky swear to Palm that he will [[spoiler:take her to NGL after defeating Knuckle and Shoot,]] though [[IDidntMeanToTurnYouOn Palm takes this as something else.]]
65* ''[[Anime/TheIdolmaster THE iDOLM@STER]]'' - The Producer to Yukiho (ep 3) and Miki (ep 12).
66* ''VisualNovel/{{Kanon}}''; Yuuichi and Ayu's relationship is marked by several of these.
67* In ''Manga/KOn'' a flashback told by Ritsu shows her and Mio doing this when they decided that they would one day form a band. Followed by Mio pointing out that it [[SelfServingMemory didn't happen quite like that]].
68* ''Manga/LoveHina'', Mutsumi and Naru pinky swear in volume seven.
69* ''Franchise/LyricalNanoha'':
70** In ''Anime/MagicalGirlLyricalNanohaStrikers'', before she leaves for a one-day conference, Nanoha performs one of these with her adopted daughter, Vivio, saying that she will give her some [[TrademarkFavoriteFood caramel milk]] if she promises to wait for her return like a good girl. [[spoiler: Unfortunately, [[BigBad Jail]] [[AllYourBaseAreBelongToUs attacks their base]] on that night and takes away [[MysteriousWaif Vivio]].]]
71** The two of them makes another pinky swear in ''[[Manga/MagicalGirlLyricalNanohaViVid ViVid]]'', where Nanoha makes Vivio promise not to use her [[OlderAlterEgo Adult Mode]] for mischief.
72** At the end of ''[[Anime/MagicalGirlLyricalNanohaAs A's]]'', when Hayate goes out for a Christmas party, her doctor makes her promise to come back that day after having spent Christmas Eve out of the hospital for the final battle of the season (although her being teleported out wasn't her fault), and they seal it with a pinky swear.
73* Happened in ''Anime/MonsterRancher''.
74* This is done twice between San and Saturn in ''Manga/MyBrideIsAMermaid'' (once as kids and once in the present).
75* In a fairly lighthearted example, ''Manga/OnePiece'' has the Strawhats doing this with Shirahoshi at the end of the [[Recap/OnePieceFishmanIslandArc Fish-Man Island Arc]], promising to visit her again if she promises to mature. Since [[GiantWoman Shirahoshi's pinky]] is bigger than most of the Straw Hats' entire bodies, most of them just touch theirs to hers; [[RubberMan Luffy]], on the other hand, stretches and wraps his around the entire length.
76* Takaaki and Miyako from ''Anime/PowerpuffGirlsZ'' did a pinky swear when they're little so that they will meet again some other time.
77* In an episode of ''Anime/SailorMoon'', two aspiring animators, Hiromi and Kazuko (renamed Lori and Cassie in the first English dub), bought boxes of expensive pencils used by professional animators, and pinky-swore they'd only use them in emergency circumstances. They both end up breaking the promise when they're assigned to work on the ''[[Manga/CodenameSailorV Sailor V]]'' anime since they were both insecure about their talents, but forgive each other in the end.
78* Shows up near the end of ''[[Anime/PrettySammy Magical Project S]]''.
79* In ''Manga/ThereBeyondTheBeyond'', Futaba attempts this, but CloudCuckoolander Kiara sucks on his pinky, instead.
80* In ''Manga/{{Saki}}'' this is done between Nodoka and Saki to underline Saki's promise that she won't hold back at [[SeriousBusiness playing mahjong]] anymore.
81* Used straight several times, and later somewhat subverted in ''VisualNovel/SchoolDays''; especially when the promise is actually about something ''very'' important. Of course, [[spoiler:part Makoto being [[{{Jerkass}} Makoto]] and part everyone being idiots, he ended up breaking ''every single one of them''.]]
82* The teenage girls on the crew in ''Anime/SuperDimensionCenturyOrguss'', who are from a parallel universe race with two tentacles in their hair, do this with the tentacles in the first episode, weirding out Kei.
83* Manatsu practically forces Ichika into one of these near the end of the first episode of ''Anime/UtaKata''. It also features prominently in the EndingTheme.
84* ''Manga/XxxHolic'':
85** Anime only: one of Yuuko's customers lands herself into hot water by making promises she can't keep.
86** There's also the Pinky Swear between Watanuki and Himawari.
87* ''Anime/YuGiOh'' (young Jonouchi and Shizuka).
88[[/folder]]
89
90[[folder:Comic Books]]
91* ComicBook/{{Deadpool}} short story "The Pinky Swear". Being Deadpool, he takes it very seriously.
92* The playground vow in ''ComicBook/MyLittlePonyFriendshipIsMagicIDW'' is a particularly silly oath:
93-->''Sunshine, sunshine, ladybugs awake\
94Clap your hooves and bake a cake\
95If I do lie and spill the beans\
96You can make me eat sardines.''
97[[/folder]]
98
99[[folder:Fan Works]]
100* ''Fanfic/BeyondTomorrow'': Kikyo does one with [[OriginalCharacter Hanyuu]] to reassure her that she is not [[HalfBreedDiscrimination prejudiced against half-demons]] and won't hurt her, even chanting the Japanese pinky rhyme for good measure.
101* In a ''Series/TheBigBangTheory'' short by Creator/AAPessimal, Amy and Bernadette realise they've made a bad situation a lot worse. [[note]]it involves lab monkeys provided by Amy which have been infected with something nasty in Bernadette's lab - then re-exported to Africa[[/note]]. A pinky-swear sorts out this little concern.
102* In ''Fanfic/FairyDanceOfDeath'', Asuna uses this to bond with a traumatized pre-teen girl.
103--> She leaned a little closer, and stage-whispered unnecessarily. "Can you keep a secret? A really ''big'' secret?"\
104"Sure."\
105"''Yubikiri''?" Asuna smiled as she held up her pinky finger. Yuuki smiled too—the first time she'd done so—and pinky-swore.
106* At one point in the infamous ''Franchise/HarryPotter'' fanfic ''Fanfic/BecomingFemale'', Dolores Umbridge takes over Hogwarts again and hires a couple Death Eaters as teachers. She assures the student body that Lucius Malfoy did a pinky swear with her to not bring in any more Death Eaters. When he inevitably breaks his promise:
107-->"How COULD you!" Umbridge shrieked. "I thought we had a deal! We did a pinky swear, remember?"\
108"I had [[LyingFingerCross my fingers crossed behind my back]]," said Lucius smugly.\
109"Damn the loopholes!" yelled Umbridge.
110* In ''Fanfic/InfinityTrainBlossomingTrail'', Parker did one with his sister Chloe to promise her that he wouldn't reveal to their parents about her entering a horror writing competition. Unfortunately, he had already done so at the time under the belief this would help find a clue to her whereabouts.
111* In ''Fanfic/KyonBigDamnHero'', Kyon's sister promises her brother not to tell Haruhi [[spoiler:Tsuruya kissed Kyon]]. While Kyon's sister didn't tell Haruhi, she acknowledged it's her fault Haruhi learned that because she slipped when talking with a cousin.
112* In ''Fanfic/MortalMan'', [[WesternAnimation/SpongebobSquarepants Patrick]] tries to make one with Spongebob. He changes it to a "stumpy promise" when Spongebob reminds him that he doesn't ''have'' pinkies.
113* The pro wrestling story, ''[[https://www.fanfiction.net/s/7450993/1/One-More-Time One More Time]]'' has Wrestling/MollyHolly instigating one with Wrestling/EddieGuerrero, that he will let the WWE doctors look him over, and she will have another match someday. As the story is a ForegoneConclusion [[spoiler: it takes place the night before Eddie's death]], it makes for a DownerEnding.
114* ''Fanfic/PastSins'': Pinkie Pie's "Pinkie Promises", complete with an odd ritual: "Cross my heart and hope to fly, stick a cupcake in my eye.", which appear in Chapter 2.
115* ''Fanfic/TheRainbowConnection'': It's shown in a flashback that Rainbow Brite and Stormy pinky swore to be friends forever. It was made even more serious by the fact they used their birth names (especially since Stormy [[EmbarrassingFirstName hates]] her original name).
116* ''Fanfic/{{Support}}'' starts with the newly graduated Raven and Chelsea pinky promising to support one another even into adulthood. Eight years later, a homeless Chelsea arrives at Raven's job wondering if her friend remembered the promise, which she did.
117[[/folder]]
118
119[[folder:Films -- Animation]]
120* Koda from ''WesternAnimation/BrotherBear'' insists that [[JerkWithAHeartOfGold Kenai]] do this so he could take him to the Salmon Run. In the sequel, this became a regular for them whenever they make a promise.
121* ''WesternAnimation/DespicableMe1'': At the end of the film, Gru makes one of these to [[spoiler:Agnes, promising to come to the girls' ballet recital.]]
122* ''WesternAnimation/TrollsWorldTour'': A pinky promise between Pop Trolls has such power that it generates a PlanarShockwave when the pinkies connect, as seen with Poppy and Biggie.
123[[/folder]]
124
125[[folder:Films -- Live-Action]]
126* Used in the live-action ''Film/{{Casper}}'' movie between a father and daughter [[spoiler:(it even becomes a ChekhovsGun: when the former dies, his ghost only remembers the daughter after she hooks her pinky with his)]].
127* As with the comic book entry above, used in the ''Film/{{Deadpool|2016}}'' movie between him and Vanessa. Not explicitly called out, but they are seen linking pinkies.
128* Apparently defied in ''Film/LooneyTunesBackInAction''; when Mother hears DJ knows about the Blue Monkey from his father, she grouses, "What is the point of making them pinky swear?"
129* In ''Film/RadioFlyer'', the seriousness of promises in a childhood view is underlined with the final pinky promise between adult Mike and his son.
130* A pinky-swear was the only thing that could show the strength of Chris' vow that he didn't know that a gun he gave Gordy to play with in ''Film/StandByMe'' was loaded in the first place.
131* In a [[DeletedScene deleted flashback scene]] from ''Film/WhatsYourNumber'' one was made between a teenage Ally and Jake promising that [[spoiler: they'll lose their virginities to one another when they are older.]]
132[[/folder]]
133
134[[folder:Literature]]
135* In ''Literature/EpithetErasedPrisonOfPlastic'':
136** Phoenica insists on making one with the Spelling Bee, making the latter promise to not change up the rules of the Hexicon game again. Since the Spelling Bee is a magical construct made by Lorelai, it also binds her by proxy. What's more, because they are in one of Lorelai's magically-constructed worlds at the time, the promise becomes genuinely magically compelling and unbreakable.
137** After mainly finding him unsettling for most of the novel, Molly extends one to Rick after [[spoiler: the latter reveals his past as a gladiator and they [[CommonalityConnection bond over a shared tendency towards self-sacrifice.]] During this conversation he lets slip that [[StepfordSmiler "Rick Shades" is just a persona he constructed because facing his friends in battle as himself felt wrong.]] When Molly asks what his real name is, he is at first hesitant to tell her, since if they have to fight some day, he wouldn't want the real him to fight her, resulting in this:]]
138--> “We won’t fight.” [Molly] held out a pinky. “Promise.”
139--> “Hm?”
140--> “It’s a pinky promise. Once you shake it, you can never break it.” [Rick] stared at her outstretched hand, uncertain, tables turned.
141--> “Is it magic?” he asked.
142--> “Yeah. Kinda.”
143[[/folder]]
144
145[[folder:Live-Action TV]]
146* ''Series/{{Arrowverse}}''
147** ''Series/{{Arrow}}''
148*** In "The Candidate", Anarky taunts a DamselInDistress by making her pinky swear that she won't reveal who kidnapped her if he lets her go. Then he breaks her finger and declares he will torture her instead.
149*** Although Thea is estranged from Malcolm Merlyn, they do this trope in "Dark Waters" when [[EvenEvilHasLovedOnes Thea promises her supervillain father that she will be careful.]]
150** ''Series/LegendsOfTomorrow''. In "Wet Hot American Bummer", Sara Lance coaxes Ava Sharpe into doing this before they go to a summer camp to catch the MonsterOfTheWeek. They do it again when they have to take a potion to turn themselves into children for plot-related reasons. And in later episodes as a sign of [[TimeTravellingLesbians mutual affection]].
151* ''Series/{{Community}}'': When Star-Burns is to testify in a case of a mishap in the biology lab that he was witness to, he makes Troy and Abed pinky-swear not to reveal what ''he'' was doing there.
152* On an episode of ''Series/FullHouse'', a pinky swear was made between D.J. and Stephanie [[spoiler: as a way of making D.J. promise to eat when it was revealed that D.J. has spent three days crash-dieting]].
153* In the first episode of ''Series/TheHandmaidsTale'', Moira and June pinky-swear that they'll escape and save June's daughter. [[spoiler: June throws it in Moira's face when she encounters a defeated Moira at Jezebel's.]]
154* In the Korean drama ''Series/{{Mawang}}'', a particular pinky-swear becomes a rather sinister plot twist.
155* Young Antonio's promise to young Jayden in ''Series/PowerRangersSamurai'' to train and fight at his side when the Nighloks returned was sealed with one.
156[[/folder]]
157
158[[folder:Music]]
159* MARETU's Vocaloid original "Mind Brand" has "yubikiri genman" in the lyrics. [[TearJerker The context suggests the pinky promise is made by a guy to a young girl, whom he has sex with and leaves when she's of no use to him anymore.]]
160* In the music video "Goodbye Earl" by The Dixie Chicks, Wanda and Mary Anne pinky swear to help each other kill the abusive Earl and hide the body together.
161[[/folder]]
162
163[[folder:Theater]]
164* In ''Theatre/AngHulingElBimbo'', Emman makes a pinky promise with Joy, promising to never abandon her, no matter what. [[spoiler:He breaks this promise. This causes him to breakdown when she dies and her daughter Ligaya offers one to him.]]
165[[/folder]]
166
167[[folder:Video Games]]
168* A major motif between Jin and Tsubaki from ''VideoGame/BlazBlue'', to the point that their "love theme", so to say, is called [[https://youtu.be/Tj99ZyXuNGU "pinky promise"]].
169* One piece of promotional art in ''VisualNovel/Ever17'' depicts two of the characters, Coco and Sara, floating in the sea with pinkies clasped. Interesting in that [[spoiler:the two of them apparently never interact or even meet in-story until the very end, but have a mysterious connection nonetheless]].
170* ''VideoGame/Fallout2'' has a variation on the whole pinky-swearing idea. After being asked for help, the PC can ask a minor NPC to cut off his right pinky in order to "seal the deal," presumably to test if he is serious about his promise or not. The NPC may or may not agree to do it. If he does, a [[KarmaMeter good]] player can stop him before he actually does so, but [[VideoGameCrueltyPotential an evil PC]]... can then tell him to [[ChaoticEvil fry it up and eat it]]. At that point, the NPC will try to kill you.
171* ''VideoGame/GranblueFantasy'': In her SR version's Fate Episodes, Andira initiates this with the protagonist after taking a bath at a hot springs resort. Such a promise simply has her requesting that they should not forget this calm and memorable moment.
172* A song featured in the ''VideoGame/HatsuneMikuProjectDiva'' series is called Pinky Swear (Yubikiri), about a girl who cuts her pinky off as a promise that her love is real and won't change.
173* {{Franchise/Sonic|TheHedgehog}} does this with [[OurGeniesAreDifferent Shahra]] in ''VideoGame/SonicAndTheSecretRings'' as he promises that he'll have her smiling by the end of their adventure.
174* Crops up in ''VideoGame/TalesOfTheAbyss'' with Luke a few times. Demonstrates his child-like understanding of the world, even when he is insisting that he hates them. [[spoiler:Though some of the pinky swears from the past were between Asch and Natalia.]]
175* In ''VideoGame/TheWalkingdead'' Sara asks Clementine to make a one when they first meet which you can decline or accept.
176* Alluded to in ''VideoGame/GuildWars2'' Living World Season 3, when the Commander is trying to talk a Shining Blade agent into helping them. Said agent is reluctant due to the oath of secrecy she's under.
177--> The oath we take is far more intense and binding—not something you seal with a pinky swear.
178[[/folder]]
179
180[[folder:Web Comics]]
181* In ''Li'l Mell'', Mell makes the time-traveling older Sergio pinky swear that they'll be best friends forever, and she seems to expect the younger version to abide by it.
182* Mew and Donut do a pinky swear in ''Webcomic/LilyLove'' when Donut helps Mew sneak a hamster into their dorm.
183[[/folder]]
184
185[[folder:Western Animation]]
186* In the ''WesternAnimation/AmericanDad'' episode "{{Tearjerker}}", Stan makes a pinky promise with Creator/JohnnyDepp that the latter would tell the former if he became a robot.
187* ''WesternAnimation/{{Archer}}'': When Malory can't find her infant grandaughter her first thought is that [[ChildHater Cheryl]] took her. Pam gets Cheryl to confirm she didn't take baby A.J. by holding up her pinky and asking "swearsy realsies?" with Cheryl repeating the gesture and phrase. Pam insists that this means she really didn't take the baby as swearsy-realsies is "pretty sacred to us".
188* One episode of ''WesternAnimation/{{Arthur}}'' had a bunch of the main characters doing this.
189* In ''WesternAnimation/DrawnTogether'', Princess Clara swears two other characters to secrecy with a pinky swear. However, Toot breaks her silence almost instantly (as in, ''without even leaving the room'').
190* In ''WesternAnimation/FishHooks'', in the Halloween special, Oscar would only save Jocktopuss' life if he promises to never steal candy again... but a normal promise wasn't enough.
191-->'''Jocktopuss:''' Ugh, Jocktopuss hates you.
192* ''WesternAnimation/MollyOfDenali'': In "[[Recap/MollyOfDenaliS2E5TrinisSuperCoopTrinisWinterWarmUp Trini's Super Coop]]," Daniel promises to help Trini winterize the chicken coop by linking pinkies with her.
193* ''WesternAnimation/MyLittlePonyFriendshipIsMagic'':
194** Pinkie Pie will swear her friends to a "Pinkie Promise", complete with an odd ritual: "Cross my heart and hope to fly, stick a cupcake in my eye."
195** Later on [[LampshadeHanging lampshaded]] by Twilight as a pretty odd way of swearing:
196--->'''Fluttershy:''' You must swear that you don't tell Rarity!\
197'''Twilight Sparkle:''' I promise.\
198'''Fluttershy:''' Pinkie Pie Swear!\
199'''Twilight Sparkle:''' Cross my heart and hope to fly, stick a cupcake in my [[EyeScream AAAAAH!]]
200** [[DemonHead And you do]] ''[[DemonHead not]]'' [[DemonHead want to break a Pinkie Promise.]] 'Cause if you do, Pinkie Pie will '''[[LightningBruiser HIJACK]]''' you for sure. This was {{lampshaded}} in the episode "The Last Roundup".
201* [[spoiler: The Collector]] from ''WesternAnimation/TheOwlHouse'' makes these rather often, overlapping with DealWithTheDevil, although it primarily highlights their GooGooGodlike behavior, and they very deeply believe that [[SeriousBusiness pinky swears are the most definite of promises]]. They throw an angry tantrum when [[spoiler:Belos intentionally fails to meet his end of their deal, angrily calling him a "Liar, liar, pants on fire" as he severs communication with them. And once he is freed, they proceed to turn Belos into mush with a FingerPokeOfDoom]]. On the other hand, if he makes a pinky promise, you can be sure he ''will'' fulfill his end of the bargain.
202* In ''WesternAnimation/TheVentureBrothers'', when Dr. Girlfriend demands that the Monarch stop being Rusty's nemesis if he wants to marry her, the Monarch pinky-swears on it. When that promise is violated by his henchmen he yells "I made a pinky swear! A SACRED pinky swear!!"
203* In ''WesternAnimation/{{WITCH}}'', near the end of the season 1 episode "The Mudslugs", Cornelia and Will reconsile their friendship with a pinky swear.
204[[/folder]]

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