After Maryanne pointed out the reason the quote thing started, I realized I left out on of my most quoted movies. (Although, Robin Hood the cartoon still number 1)
EMPIRE RECORDS! Only the greatest movie about teens running a music store EVER.
"What's with today today?"
"Who knows where thoughts come from? They just appear."
"Hey! You forgot your thingy."
"I don't feel I need to explain my art to you, Warren."
Hmmm... I may have to think some more. "Oh Rexy, you're so sexy" comes to mind, but I don't think I've used it in normal conversation.