Molly Wop Share definition Flag When a man is reciving oral sex and he withdraws him penis from the girls mouth and procedes to smack the girl in the face his penis. Dont make me Molly Wop you. Molly Wop by Alex September 25, 2004 0 0 Get merch Get the Molly Wop mug. Buy Now — $32.95 See more merch