Top Definition
A small terd that resides in you're butt crack, that you aren't aware is there until you change you're shorts. Usually arrives as the bi-product of a large fart.
I thought my butt crack was sweating until I changed my shorts and found a two inch Crack Slug!
by TheMarmot June 26, 2006
5 Words related to Crack Slug

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×