upper lip hair. underdeveloped moustache, occurs when male hasnn't completed puberty, resembles dirt protruding from the upper/outer quartile of the upper lip
"shave that nasty dirt stash you greasy boot."
by sam/eric May 05, 2006
1 more definition
the act of rubbing glue under ones nose and whipping a hand full of dirt at their face
hey i'm gonna dirtstash the first person to fall asleep, don't mention that to anybody else though
by crazybearfighter September 21, 2011