Bronomi

This occurs when chilling at a bar or party and a sudden influx of dudes overtake the event, this would be the pre-cursor to a Sausage Fest.

Man we got to get out of here, it looks like a category 5 Bronomi is moving in.

Bronomial nomenclature

the formal method for the re-naming or acronymization of anything inappropriate that a bro or bros might say.

E.g.

1.
Tim: "Look at that hoe over there"
Dylan: "Bro, do you even consider bronomial nomenclature, its a fucking THOT you idiot."

2.
HFFA - (Hot from far away) - "Damn that bitch was HFFA yo, but up close she be dayam ugly! "