A completely non-sexual erection that occurs when one man is excited by the actions of another man, or in the company of other men. It is 100% heterosexual, and in no way gay.
When you get a really good feeling by thinking of, or hanging out with, one of your bros.
Like "Lady Boner" it does not have to have anything an actual erection.
It is usually completely non-sexual.
In conversation: "Oh, do you know him to? Just thinking of him gives me a broner!"
In story: Lisa was rocking a raging broner while hanging out with her bro Rob.
Meaning: Lisa was having such a good time while hanging out with her good friendRob.
One man's cash and prizes entering a half-chub situation when in the presence of another male, usually a good friend. It is essentially an unintentional erection but retains no shame and is perfectly acceptable.
"Oh man, that's so awesome and cool. We agree on everything and I like it. High Five!" -Tim M.
"Absolutely. Total broner moment!" -Joe S.
"You guys are weird, do those actually exist" - Mary L.
When a bunch of guys just hang out and everything is good. You become relaxed and all of a sudden feel a slight girth growth from below. It soon swells in accordance to the amount of broness in the surrounding area. No girls allowed. Discussion topics to insight a broner can include, but not limited to:
Goose proudly displayed his raging broner to the class after a night long tandem session of goodness. Unbeknown to Goose, both Dave and Mike also had broners.