The most basic and predictable version of the male species, identifiable by an omnipresent baseball cap, reluctance to consume any alcoholic beverage other than beer, and general lack of conversation. Usually spotted in herds.

Shortens to: GBG.
I went to the batting cage on Sunday, it was nothing but guy-brand-guys flexing their guns and eating hot dogs.
by rebstevenson May 26, 2009
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