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.
by cornbread247 December 12, 2019
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when your underwear sticks to the crack of your ass and cheeks and from heavy perspiration
During the heatwave he often suffered from sweat ass
by Jack June 24, 2004
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Heavy sweat originating between the ass cheeks.
Look at his pants! He has some major ass sweat happening.
by The Slater November 5, 2003
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When your your ass begins spontaneously sweating, unrelated to heat or exercise. The crack is especially affected.
Mighty fuck, I have the ass sweats, my underwear has reached it's saturation point.
by Lethargic Lad November 22, 2003
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Of the many things that come out of a boy, this is the most delicious
I spent the evening licking up his delicious ass sweat.
by Exc March 14, 2004
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The sweat an individual’a ass produces during REM (rapid eye movement) sleep, the deepest state of dreams...

When you wake up after a deep sleep with swamp ass you know youv’ve got REM ass sweat.
Dave: Don’t go in my bed, I get R.E.M. Ass Sweat when I sleep naked, it drips.

Jim: bro I don’t really care, this blanket is really warm
by Slavid February 18, 2019
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