There's that word again, 'heavy.' Is there something wrong w... - Marty McFly

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

Marty McFly Humor

More from Marty McFly

"This is heavy."

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

"You're my best friend, and I care about you, but don't ask me to do this."

"If my calculations are correct, when this baby hits 88 miles per hour, you're gonna see some serious stuff."

"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."