Top Definition
It's a special kind of promise. Nopony breaks a Pinkie Promise. 'Cross My Heart, Hope to Fly, Stick a Cupcake in my Eye!' is the pinkie promise.
Alright man I Pinkie Promise, I Cross My Heart, Hope to Fly, Stick a Cupcake in my Eye, that I will tell you tomorrow.
by tiger3y3s September 22, 2013

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The most sacred promise anyone can give. When broken, you lose your friend forever. The pinkie promise is done by uttering a chant and doing the motions
AJ: you bettar not tell Twi that ah lost her book. Y'all know what happened last time thayt happened.

RD: Pinkie promise. Cross my heart, hope to fly, stick a cupcake in my eye.

RD crosses a hoof over her heart, opened her wings and gave a flap, and put a hoof to her eye.

AJ: thanks, Dash. Ah really don't know what ah'd do without y'all.

RD: no problem, pal.

*later*

RD listened to Twi talk about her new book she lent to AJ. She bit her lip, and opened her mouth to confess. Suddenly, Pinkie sprung out of a potted plant

Pinkie: you'll lose them. Foreeeeeevveeeerrrrr
She slowly disappeared into the plant.

RD: don't question it...
by Fluttershy the mare wolf December 08, 2013

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a sworn oath to another person and if broken, the pinkie is cut off.
Pinkie promise me you wont do it again.

i promise
alright if you break it that piggy is mine.
by little duck January 26, 2016

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

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The Urban Dictionary T-Shirt

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The act of swearing a blood oath while pinkies are interlocked. Breakers of the pinkie promise beware...
Pinkie promise you will call me when you get back!
by annatorvizsuperzsexkie May 10, 2013

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt