Definitions by TurkeyOnRye

swamp ass 

A condition in which anogenital sweat intermingles with remnant fecal matter, overgrowing anal flora, and sloughed skin cells, producing intense bioactive fumes that may offend anyone.

"The bus rider wore unclean sweat pants and stank of swamp ass."

swamp ass by TurkeyOnRye June 13, 2016