The go-to arguments for retarded orphans online who can't come up with anything, usually because they are in a losing argument in which both parties are under the impression they are winning and have started spewing out insults instead of arguing.
Person A:"1+1 is 2 you retard how many fucking times do I have to tell you this."
6 year old autistic kid in a vegetative state:"No u"
something someone says when they pull out an uno reverse card
person #1: u r ugly
person #2: *pulls out uno reverse card*
person #2: no u
person #1: god damn it
to bring death to your opponent
billy: ur mom gay
bob: ur dad lesbian
billy: no u
bob: no u
billy: no u
bob: no u
billy: no u
bob: no u
cool dude: no both of u
billy: fuck off
an annoying insult my cousin wont stop using. its not funny nor clever.
Person 1: stop being an idiot
Person 2: no u
Person 1: *violently stabs*
This is the ultimate rebuttal, a complete life ender to any misfortunate enough to receive this brutal remark
Doug: if mum gay
Terence: no u
Doug: *dies*