Definitions by RUDNASTY

skidmark 

a line of shit in underwear, a toilet, or sometimes even walls. it is usually dry, but varies in viscosity, it resembles the skidmarks from a car.

Guy 1: Hey man did you see rachel's skidmarks on her underwear?
Guy 2: yeah man, it was nasty af

skidmark by RUDNASTY July 22, 2015