1 definition by Caged Birdy

A term referring to a group of men that identify/would be identified as bros. This is best used for groups of young men who appear as stereotypical bros. (For example: wearing baseball caps and sleeveless sports tees. Often refer to each other as bro or dude.)
As "herd" or "pack" are used in wildlife documentaries.

Ex: Look over there! It's a keg of bros headed to the football game!
by Caged Birdy October 1, 2015
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