Yo, what's up, man? - Bart Simpson

"Yo, what's up, man?"

Bart Simpson Humor

More from Bart Simpson

"Eat my shorts!"

"Ay caramba!"

"Don't have a cow, man."

"Cowabunga!"

"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."