It's when a guy is fucking a girl in the ass, then goes to her pussy, and finishes in her mouth.
Tyrone gave Sheniqua a peanut butter shake after he found out she was cheating on him.
by SixtyEighter September 7, 2015
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A prank where you accidentally or intentionally get shit on your fingers (see Peanut Butter Fingers) then shake the hand of a friend (or enemy)
To get even with my ole buddy Brian I believe I'll give him a Peanut Butter Hand-Shake
by nibbles1969 February 12, 2015
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