1. broner
A slang term used to explain the phenomenon during which a fiercly heterosexual male achieves an erection (or, "boner") for or while in the company of one of his male friends (or, "bros"). This may only occur while engaging in all-male activities, particularly those which include feats of strength or displays of hyper-masculinity. Upon achieving a broner, the man in question is often known to exclaim, "dude, suck that shit!" or "meet me in the shower."
2. Broner
An unintentionally manly inspired boner.
You're a guy getting a massage from another guy, and its nice, its relaxing then all of a sudden you get a little tingle; that my friends, is a 'broner'.
3. broner
An unintentional man-inspired boner
My masseuse was a guy and during my massage I popped a slight broner.

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