zoek een woord op, zoals sex:
 
1.
A best friend that you never see. He's always hiding or just at home.
Named after the infamous best friend you never see,

Osama Bin Laden
Mike:Hey where's Joey at?
Daniel: IDK man he's being a real Brosama Bin Laden
door BertiCoosBay 11 december 2010
 
2.
someone you never see and often hides out at home instead of coming out to party
dude why didnt you come out your such a bro-sama bin laden
door urMA4 19 juni 2011
 
3.
A bro who wasn't a nice bro. Barack Brobama gave the order for his assassination.
Did you hear? Brosama Bin Laden is dead! - Bro #1

A holy shit, this is almost as exciting as the death of Brosef Stalin! - Bro #2
door aaronthejoo 15 mei 2011