1 definition by Doo Doo Crew

Top Definition
a mix between mud butt and swamp ass. often happens during strenuous activity where the anal cavity sweats and a small shart slips out, and the sweat makes the small shart turd turn into a marshland of sweat and shit.
"man, i was lifting weights the other day and i was straining, and when i got home, i had marsh ass!"
by Doo Doo Crew January 25, 2009

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug