a sexual act involving anal sex where in place of a standard lubricant you use crunchy peanut butter causing a rough spiky sensation
man, she ain't gonna be walkin' right for weeks, she let me go anal on her, but I couldn't find the lube, so I ran to the kitchen and grabbed some crunchy jiff and gave her the peanut butter porcupine
by PariahComplex April 21, 2011

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