Top Definition
The dead skin scrappings collected from the grundle or taint/asshole region after a long run in the heat of summer. Swampass is the number one culprit for these God forsaken brownies.
Bill: I just went for a 10 mile run in this Louisiana Bayou death heat wave.

Mark: You better go scrap yourself clean of all the Louisiana Bayou Brownies bro.
by Csmasher May 19, 2011

Free Daily Email

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

Emails are sent from We'll never spam you.