Universal counterargument to any form of human insult, with the possible exception of ur dad lesbian. It is known to be tougher than Kevlar, and has catastrophic effects on the assailant.
Dick: You're fucking bieber dickass snowflake cock-juggling thunder cunt.
Bob: no u
Dick: *dies in hell for the rest of eternity*
End of all arguments
Lilly: Ur such a whore
Rachel: No u
Lilly: *dead*
when you get called gay, you say no u
"you're gay"
"no u"
"ouch, that's good"
basically what people do when u have a person insults ur mom
Person: ur mom gay
You: no u
Person: *dies*