When you put a sleeping bag in the middle of the bed when two bros are forced to sleep together.
Bro 1: "Man, 2 beds and 3 bros."
Bro 2: "Dibbs on sleeping alone!"
Bro 3: "Alright, I'll get the bro separator."
by Drewdle25 December 23, 2011
Get the Bro Separator mug.