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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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2
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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3
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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