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The act of placing peanut butter on ones own genetailia or anus and allowing ones pet, usually a dog, to lick the peanut butter off. causing an orgasm
JESSE: i let my dog munch peanut butter off my asshole

CANDI: That's hot!!!, i should try PEANUT BUTTER MUNCHING!!

BOBBIE: you're a fucking sicko
by PARTNERS IN CRIME TOO October 22, 2010
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