look up any word, like fleek:

1 definition by The PEN15 club

 
1.
n. term referring to when your underpants ride up your butt crack and leave a line of poop in the bottom. It is also known as a racing stripe.
Jim didn't wipe his butt thoroughly, for he had a massive skid mark in his underpants.
by The PEN15 club January 01, 2007