That's heavy. There's that word again, heavy. Is there somet... - Biff Tannen

"That's heavy. There's that word again, heavy. Is there something wrong with the Earth's gravitational pull?"

Biff Tannen Humor

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."

"Never underestimate the power of a good laugh."

"Laughter is the best medicine."

"A good laugh is the best medicine."

"Laughter is contagious and wonderful."