I'm not one to brag, but I'm the best at everything. - Biff Tannen

"I'm not one to brag, but I'm the best at everything."

Biff Tannen

More from Biff Tannen

"I'm your density. I mean, your destiny."

"Make like a tree and get outta here!"

"Nobody calls me chicken!"

"You're my favorite girl, McFly."