A fork of Rural Dictionary
A person who posses all of the main qualities of a bro (popped collar, listens to Dave Matthews, plays Frisbee) however is noticeably overweight.
Dude, that fat dude is wearing an upside-down flipped around visor, he is so brobese.
A condition where broing it up so much eventually leads to a ridiculously huge gut.
Dude 1: Bro, Jim got huge since last year! What happened to him?
Dude 2: Jim's been broing it up hardcore bro. His pizza to workout ratio is way too big, a common cause of brobesity.