chocolate jet ski
The act of fucking someone in the anus while they, or you, takes a shit. Therefore the pressure from your dick thrust will luanch the shit from the person taking it.
Male 1: "Man I have major stank dick."
Male 2: " Why?"
Male 1: "I gave your mom a chocolate jet ski."
Male 2: " Why?"
Male 1: "I gave your mom a chocolate jet ski."