A euphemism for a mixture of constipation and pre-lining of your underware with shit stains, usually associated with high temperatures.

Derives from the Prince song "Black Sweat" from his 3121 album.
"I've been driving so long in this heat I'm working up a brown sweat"
by doughnut2128 May 26, 2009
Get the brown sweat mug.
Sweating as a result of needing to poo. Generally occurs in stressful situations.
Where is the closest toilet? I've broken out into brown sweats.
by nahnahbobo November 30, 2015
Get the Brown sweats mug.
The sweat mixed with fecal matter that is wiped out of your ass. This happens usually after a workout or sleeping in a hot room.
Jon: I am going to the bathroom
Frank: didn't you just go?
Jon: Yeah bro but I have some brown sweats after the gym.
by fuckmikelol January 23, 2019
Get the Brown sweats mug.