1 definition by oh sheila

when a guy has sex and cums while shitting on a children's slide and then urinates on the slide. then the girl slides down the slide naked and the guy fucks her in her cum, shit, piss covered ass and then in her vagina
my girlfriend and i performed a slippery slope on her little brother's toy slide.
by oh sheila November 19, 2007
Get the slippery slope mug.