Who said "Sometimes you just gotta let loose and have fun."?

This quote is attributed to Peter Griffin.

Sometimes you just gotta let loose and have fun. - Peter Griffin

"Sometimes you just gotta let loose and have fun."

Peter Griffin Humor

"Shut up, Meg."

"All right, all right, I'm coming, Elizabeth."

"Giggity!"

"You know what really grinds my gears?"

"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."