When one inhales enough bromine to end one's life.

To artificially inseminate your bro.

\BRO-meen\, noun. The essential binding element between the bro's in a bromance on a brolecular level. Few bros understand this however, as they rarely pass high school chemistry.

Bromine (abbreviated as BR1), small organic molecule in the brocholamine family. It is a monoamine neurotransmitter that plays an important physiological role during a bromance.

To hang out with your bro's for an extended length of time (i.e., marinade is to meat as brominate is to bro's).

A good friend who is awesome like the Terminator.

the process of turning a college student to a frat bro.