The ultimate comeback. Known as the most powerful counter in all of human history. Use it and you will instantly watch your opponent spontaneously combust.
waiter... What would you like for DESSERT this evening...?
Dumbass... UR MOMMM!!!!!!!
waiter... How much of a tip are you goin to leave...?
Dumbass... A big one... in UR MOM!!!!!!!!!!!!!!!!!!!!!!!!!!