Who said it: Luke Wilson in The Royal Tenenbaums (2001)
Argument: Over who gets the last slice of pizza.

Just how badly do you want that last slice of pizza? Try that quote. Worst case: They know you're being sarcastic and hate you for even thinking that was clever. Best case: That five-second window of deafening silence is just enough to grab it and say you were joking. Use this nuclear option carefully.