a noun, not verb. he's an awesome dude who loves getting into shenanigans. usually tends to be flipped off when biking and has amazing gray hair for their age. the least liked person in his group of friends.
by mawia menosa July 11, 2009
 Get the Fucking Brianmug.
Get the Fucking Brianmug. A person in a group of friends that no one fucking likes.  He is just there so you and your other friends can tear him down.
by Jesseeeeeeee August 6, 2006
 Get the fucking brianmug.
Get the fucking brianmug.