when guys are really good friends, and they make jokes or talk to/about each other in ways that are almost homosexual, but not quite.

as in:
bromosexuality-
bro1: "shit man that hurt."
bro2: "that's not what you were saying last night"
bro1: "dude... i told you not to tell anyone about that."
by missLyma October 31, 2008
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The strong almost homosexual bond bro's have. Hanging out, going to party's together, and riding around in there bromobiels, are all just examples of bro's expressing there inner bromosexuality. Bromosexual bonds are strong and bro would be willing to go through a bropacalypse for each other, and often group together to protect other bro's from hostile brogressor's.
Bro #1: hey stop eyeing my girl bro, you wanna go!?

Brogressor: even know who your dealing with!?

Bromosexuals 2,3,4,5,...: responses range from threatening the brogressor directly, bringing attention to the conflict and telling the original bro that they "got yo back man" repeatedly

Brogressor: ow yo a buncha bromosexuals, get yo bromosexuality outa my face.
by michaelrulesyou May 3, 2013
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noun - love shared between two (or more) bros, but is not considered homosexual.

origin: Brody Jenner's reality tv show Bromance(Quote Taken from MTV's The After Show)

bromosexuality

I'm a bro
you're a bro
we're dudes, lets hug!
lets canoodle
lets pat each other on the back
its not gay it's totally cool
by ae123456 January 14, 2009
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Hey man, that slap was a little too far up my thigh for simple bromosexuality, bro.
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A guy who is bromosexual is totally straight. In fact he will punch you in the face if you say that he's gay. He's so totally straight that he has sex with tons of chicks... sure his bro might be in the room with him, maybe videotaping it (with lots of close-ups of the penis)... or doing the same girl at the same time... with their penises touching...

So what if he's always slapping his broham's ass... and always hangs out in the showers at the gym... and yeah, maybe he was in a few circle jerks in middle school... and sure he puts his penis and/or testicles on his friends' faces every chance he gets when they're passed out drunk... and sure that frat initiation thing was a bit weird, but...

HE IS TOTALLY 100% NOT GAY.
Dude: You're so gay.
Bromosexual: Shut up! I will FUCK YOU IN THE ASS if you say I'm gay!!!
Other dude: Heh. Wait... what?
by Bitch-monkey December 18, 2007
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A unique and powerfull relationship amongst bros that words cannot define.
"Hey are those guys gay." "Nah man, they're just bromosexuals."

"I love you man. I don't know whats going on, I think I might be going bromo for you.."
by AGBoss May 12, 2009
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a relationship between dudes so close that, to the outside observer, may appear homosexual.
i went for support with my bromosexual to planned parenthood because of what he stuck it in last night.
by Richard Waffle April 13, 2009
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