When you do a girl in the ass then pull out with some shit on your dick. You then proceed to use your dick like a crayon and draw a fun picture on her back.
by Felix Maloy February 17, 2008
Get the The Dirty Crayon mug.
Damn girl, is that dirty crayon you got on?!
by Tanner B October 30, 2013
Get the dirty crayon mug.