(Noun) A guy who doesn't show up when you're out with boys for a cool one.
Chuck didn't make it to tailgating 'cause his Chevy Malibu broked own on the way to the game. There was definitely a hole in the brozone layer last Sunday.
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When a large group of bros are talking in a strictly-guy conversation, and a girl tries to jump in and contribute
Jessica caused a hole in the brozone layer when she tried to join into a conversation about last night's party that the jocks were having
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A layer of haze left behind from a vape, Juul, or other smoking device.
Dude, all of these Juuls are creating an awesome Brozone Layer in here.