when a man sits on a woman's face and places his anus on
the woman's nose and then proceeds to spin around the face making
bits and pieces of fecal matter
falling off of the anus landing on the woman's face
Guy 1: Dude, last night I was at this party and totally
throwed and decided it would funny to spin around
on my ass while sitting on some passed out chicks face!
Guy 2: Dude! That's called a
coffee grinder, and that's so damn gross!