When one is engaged in anal sex and as they are thrusting in and out of their partner's anus they look down and notice some shit on their dick. Suddenly the energy and desire for anal sex is diminished greatly to the point of becoming semi-erect.
Jim: Dude, I so pumped last night. I had a hard-on that wouldn't quit and I was fucking Jane's ass. Then I noticed my cock was coming out dirty and I just lost it. Started going limp. Lost my drive. What a bummer.
Bo: Damn, bro. Total brown out!
by theinstigator September 23, 2016
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Similar to "greening out" as a negative short term after-effect of smoking cannabis. However instead of vomiting you shit yourself. Browning out.

Side note: Most people who brown out deny it at all costs.
Conor: Damn boi, I was so high I think might have shat myself after getting off that train
Me: Woah I can't believe you just brown'd out for fuck sake Conor
Conor: No I didn't brown out I swear!
Everyone else: Did you hear Conor brown'd out at South Kensington Station
by Skunk Shack FM September 19, 2017
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when you forget parts of a night, but not the entire night, as compared to blacking out..supposedly..
dude: have you ever blacked out from drinking?
bro: nah, just brown out.
dude: uhh, I hope you're just trying to be funny because wtf is browning out?
bro: it's like, when you forget parts of a night, but not the entire night.
dude:..........
by megalopolissss May 25, 2010
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When engaging in multiple penetration anal sex, a brown out occurs when there are too many dicks in a girl or guys ass and someone realizes that their dick is not making any contact with the ass and is completely surrounded by other dicks.
The gangbang was going really well until someone discovered they were in a brown out, and then it was just really gay.
by Analog Ken March 22, 2010
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A temporary mental disassociation triggered by the extreme emotional distress caused by the tremendous urgency to defecate.
I had to shit so bad that I had a brown out. I don't remember anything between the parking lot and the stall.
by Eskerbuffle September 8, 2010
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When the stupid power company lacks the power grid capacity, and causes all my lights to flicker and resets my clocks and computers.
If I get another brown out, I'm going to firebomb the electric company.
by tex May 24, 2004
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A reduction or cutback in electric power, especially as a result of a shortage, a mechanical failure, or overuse by consumers.
If a city uses too much electricity, a brown out occurs.
by Didda Tinkle May 24, 2004
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