Musty Aftershave
After a man has freshly shaved his genital area, a woman (usually of older age) goes down on him with a lit cigarette in her mouth.
Guy 1: "Hey man, what did you do yesterday?"
Guy 2: "Not much. Your aunt Rosie gave me a musty aftershave at the motel downtown."
Guy 2: "Not much. Your aunt Rosie gave me a musty aftershave at the motel downtown."