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1.
A sexual act which involves a man slapping another man in the face with his penis, which is covered with a devil dog. It can also be done to women, but that shit isn't right.
Guy- "hey drew come over here i want to feinberg you really quick"
Guy 2- "Okay!!!!"

Guy- "I totally feinberg'd that girl yesterday"
Guy 2- "dude that shit just isn't right."
by devil masta dog May 14, 2011