When a bro has or gains a "boner" (enlarging/hardening of the male penis or shlong)
Damn that pezza gave me a massive broner
by Caponer/ale July 26, 2009
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When a male randomly gets an erection while in the presence of his male friends.

There is nothing sexual about it.
Guy one: Dude, why do you have a hard on, when I'm the only one around?

Guy two: It's a broner dude, don't worry.
by I say, now. February 6, 2010
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A Bro, or dude, who gets an erection when no girls are present.
John: "What the fuck Steve, you have a broner right now!"

Steve: "Oh...no thats just my pants...."

John: "Whatever man your a fucking homo."
by Landerman November 5, 2009
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A woman-one walks by you and your bro
Upon brofisting, either one of you exclaims "bro! I totally have a broner!"
by johkabu October 17, 2010
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A sweaty brony which erects his penis to my little pony.. a Broner.
Sweaty Brony: ahhhhh pink pony is having a bath *broner intensifies*
by Dyleon October 2, 2019
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A bro who has a boner but is very chill.
I was telling my bros how I was playing cod when i got a nuke and a sandwich, and immediately got a broner.
by NattyIceKing March 17, 2011
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When a straight male gets a semi hard on from the thought of taking gay actions
it was once said that wrestlers will frequently get broners.
by bababababam July 1, 2011
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