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An extreme and excessive gathering of bro's.

Usually results in an excessive consumption of cheap beer and unnecessary competitiveness.
Dude that frat party last night was a total brolocaust! Like 100 cases of Natty got downed!
by Brobi One Kinobi January 12, 2011
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When a bunch of true and true "bro's" all get laid on the same night. Minimum 4.
Dude: "Did you lot have a good night last night?"

Bro: "Yeah you should have gone, it was a full on brolocaust!"
by FellowBro May 05, 2010
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1. When a group of 3 or more guys/Bro's get together for the time of their lives in a total non-homosexual manner.

2. When an evil Anti-Bro rises in power and attempts to exterminate all Bro's in the world.
1. Guy: "Dude, we can't find any chicks for this weekend!"
Bro: "Don't worry brah, Brolocaust!"

2. The world mourns as the Brolocaust's fatalities reach in the millions of Bro's.
by Gh05t RUN3R May 29, 2010
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