To propose brohood (aka. holy brotimony) to the cool guy of your dreams. It takes a real man to go down on his knees for another dude.
Broposer: "Hey man, will you join me in the magically journey of mutual brohood?"
Broposee: "Dude, are you broposing?"
Broposer: "Yeah, man."
Broposee: "Cool."

The bros may now fistbump.
by FedoraBrow January 11, 2011
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When you tell your buddy that you would marry them if they were female.
"No homo, but the girl of my dreams is the female version of you."
"Whoa man, did you just bropose?"
"Maybe..."
by mb35534 September 18, 2016
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When a bro proposes to another bro to either a: be his bro or b: has trusted his bro to ask him/her to be his wingman/wingwoman
A: Me: Kauner i have a broposal. will you be my bro

Kauner: i would be honored

B. Me: Kauner we've been bros for a long time now and i trust you with a lot. Will you be my wing man?

Kauner: yes of course bro
by wisey0ungman March 18, 2014
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1. The act of proposing to one's closest bro. It is an entirely heterosexual act, and requires the same level of commitment to eachother as in that of a bromance.

2. The act of putting forward an idea to one's bros.
1. Dirk: "Yo Brent, how was last night?"

Brent: "Oh it was rad dude, Chad totally broposed"

Dirk: "Wow that's awesome dude, i'm totally happy for you two"

2. (Dirk gets up at the table)

Dirk :"Gentlemen, i wish to bropose something, we should totally have a bro and sack night at mine this friday"

All : "What an excellent broposal"
by Bro-EE3 December 7, 2009
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