Definitions by bromandudechill

Bro-nner 

When your bro-in out whith the bros and your having so much fun you become aroused.

Bro 1- "yo bro, can you grab me another nattie light, i got a bro-nner and i dont want anyone to see."

Bro 2- "no problem dude, happens everytime i play gamecube."

Bro-nner by bromandudechill February 2, 2009