2 definitions by aaronthejoo

Top Definition
The muscle you develop between your forearm and bicep on the arm of the hand you masturbate with.
John: Hey broski, wanna hang tonight?

Joe: Ehh... I dunno, I was really gonna work on toning my masturbating muscle tonight.

John: Oh.. I getcha, I worked on it last night.
by aaronthejoo April 20, 2011
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
by aaronthejoo May 15, 2011

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