When a person falls asleep or passes out on the toilet, specifically while taking a shit.
Mike has been in the bathroom for an hour, I think he had a brown out.
When you're a Browns fan and you experience another comeback loss so you have to drink until you can't remember.
Pass me the vodka, I need to brown out. The Jets just came back and won.
Taking a shit, then shoving that shit up your dick. Then peeing it out
Dude I got off when Jessica did a brown out on me
That moment when you have to shit really bad where it might be life and death
Shit im boutta brown out after too much crack rock
or Browning out (verb)
to shit yourself in a major way or even to have a large gaseous shit worthy fart
"Dude I'm gonna Brown Out"
"Browning out as fuck right now"
When one passes out while taking a massive dump.
"Dude I had a brown out an hour ago!"
"What the hell is a brown out?"
"It's when you pass out when your taking a really big crap!"
When you poop while having anal sex.
Stephanie had a little brown out the other night because she ate a ton of Indian food before we did anal.