by Fekkry July 30, 2016

Person 1: "You're a fucking idiot, bud."
Person 2: "No u"
Person 1: "Seriously? Are you still on that?"
Person 2: "No u"
Person 1: "Seriously? Are you still on that?"
by MouthWideOpen July 2, 2019

by Eddie Broadway October 29, 2011

The ultimate end to any argument, reverses any insult directed at the user of the Magic No U Arts. The recipient immediately explodes once the reversal is said.
Thanos: In time, you will know what it's like to lose
Me: No U
Thanos explodes into 537 quintillion pieces
Me: No U
Thanos explodes into 537 quintillion pieces
by T-Man 1302 June 7, 2018

by Universe the madlad December 29, 2020

Stranger 1: Lol!!!! You suck at ROBLOX u noob!!! Boi ur hair line so dum ecks deee XDDDDD
Stranger 2: no u
Stranger 2: no u
by Totally Justin Bieber June 14, 2018
