look up any word, like spook:

1 definition by greengb

A gay man who acts masculine and is interested in guy stuff like sports, video games, military issues, grilling, knives, gear, working out, gadgets, tech, etc...

Popularized by the subreddit of the same name.
Guy1: Hey, I heard that guy is gay but he doesn't act feminine.
Guy2: Yeah he's a gaybro.
by greengb December 11, 2012