The gay version of the dirty Sanchez, it's when a guy pulls out of his partner's ass and wipes his dick across his upper lip, leaving a skid mark resembling a mustache. Also known as the Walter ' stache
by firedan June 03, 2014
v. The process or act of calling someone a motherfucker in a threatening or unfriendly manner, with the intent of "startin' shit."
by FireDan December 16, 2010