Middle-Finger Promise

Similar to a pinky promise, except with he use of the middle fingers. Usually a bond between two bros. It's a promise, acknowledging, "if I break this, I'm fucked."
Bro 1: Is this shit legit?!

Bro 2: I middle-finger promise!

A bond then can never be broken.
by JaRoy October 20, 2011
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