What is Fucking Brian?
1.
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.
Shit guys here comes fucking brian
2.
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.
"a shit, fucking brian's coming!"
"dammit, run!"
"yea he's on his bike, too. let's flip him off!"
See