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3.
noun

The act of, or a gay male who, pretends to be straight and a 'bro' around his straight male friends who don't know the 'brohomo' is gay so the 'brohomo' can do acts of gayness to them.

Adjective form is 'brohomosexual'
Luke: "Alex was so chill last night, he bought us bubble tea and paid for our movie tickets"

Jackson: "You know he's gay, right?"

Luke: "AWW F-... what a brohomo man!"
by ProPeng555777 March 21, 2011
 
1.
an occasion in which two bros are intentionally acting in a homosexual manner; similar to pro homo, but for bros
Dude, I love the way your lax penny matches your mocs and your salmon colored shorts today, bro homo.

Brad and Chad were wrestling with their shirts off on the frat's front lawn, bro homo.
by M-B- November 11, 2010
 
2.
1. Gay black man 2. Gangsta type with homosexual tendencies
Jabron be acting like he be a ladies man, but he's really a closet brohomo.
by Apoguapo February 14, 2009
 
4.
Similar to "no homo". If brohomo is called, the prior/proceeding action/statement cannot be looked down upon or called 'gay', because the two persons in question are bros.
Bro A: "Dude, I saw you fuck that chick last night."
Bro B: "...you watched me?"
Bro A: Brohomo man.
by Johnny Knockers September 27, 2010