no u

The most divine comeback to anything, this pair of words allows any user to annihilate their opponent. Anyone who crosses these words will die a horrible death, while the user will laugh at your stupidity

Guy 1: "You wanna know who I saw?"
Guy 2: "Who?"
Guy 1: "Joe"
Guy 2: "Who's Joe?"
Guy 1: "JOE MOM GAY"
Guy 2: "no u"
Guy 1: "NANI? what is this feeling, my brain, its shrinking"
*Proceeds to die due to stupidity"