A mere phrase that defines something that is almost indescribable in English words. It is beyond brohood or broship. It is a brosphere. An undying, indestructible, omnipotent bond between bros that is incomprehensible to outsiders and lasts beyond biological death.
Tim: It's bros or bust.
Mark: To death and beyond, bro.
by Timbo-Slice November 29, 2009
Get the bros or bust mug.
When someone gets between you and your friend while you're talking. Usually occurs at bars and other social events that involve drinking.
Dude, Steve and I were shooting the shit at the bar and this chick totally bro-busted us.
by Filco January 22, 2023
Get the Bro-bust mug.