Top definition
Fuck Bitches Up. Used by one group of girls to threaten another.
"Are you going to that Powderpuff football game tonight?"

"Yeah, the Seniors are gunna fbu!"
by mousefacee November 23, 2009
Get the mug
Get a fbu mug for your papa Paul.
Only the greatest football football program out there featuring one of the best line backers in football Donavan Hayes
by Football is great April 24, 2017
Get the mug
Get a FBU mug for your friend Nathalie.