Not to be confused with Swamp Ass, Sweat Ass occurs when someone forces a sweaty state of the ass. Similar to Swamp Ass, if not treated, Sweat Ass can lead to a more serious condition called duck butter.
Johnny was riding down the road when he noticed that Trent had turned on his heated leather seats. His ass was dripping with sweat. "Thanks for the sweat ass," he told Trent.
(n.) A grossly or overly hairy ass; an ass that is completely covered with hair, thus covering any skin and only showing the thick mat of hair grown on top; a hairy ass which causes excess sweating
1. John: Dude, is your ass hairy?
George: Are you kidding me? I have an ass sweater!
2. Paul: It's fucking hot out!
George: Yeah, and it doesn't help that I'm wearing an ass sweater!