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1.
adj. - a bogus act, situation, statement, etc. taking place between or amongst bros
Bro 1: "Hey bros, I can't bro out and watch Family Guy with you 'cause I gotta go cut the grass at my stepdad's."

Bros 2-5: "That's brogus!"
by prafroman August 27, 2008
 
2.
the act of dickin around with your friends (or bros) when you should be working on a school project or something of equal importance.

(antonym: see brocus)
yo tim we gotta cut the brogus today and get this chem shit done.
by brostradamusIV October 25, 2009
 
3.
A rare skin condition, in which the occpant develops large hives along the eyebrows when attracted to someone of the opposite sex.
Penelope developed a serious case of brogus every time she set eyes on her Highschool English teacher.
by Emma 2006 September 04, 2006