The universal rebuttal to all arguments.
Bob: Canadians are nothing but communists
John: No u
by enigmatic January 25, 2003
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The ultimate reply to someone when they try to insult you.
Man 1: Fuck you
Man 2: no u
Man 1: FUCK YOU MAN
Man 2: no u
Man 1: You're a insignificant piece of garbage with nothing to live for, no one in the world will ever care for you. Your existence is a lie. You think that you are intelligent but in reality you are someone who is hurt, mistaken and FUCKING USELESS. You attempt to hide the truth that you're scared, but we all know you are scared. You want to reply something else instead, you decide to just say the same phrase over and over again, you have no skill or a life. You just spend your life on the internet and act all high and mighty on there; but as soon as you go into the real world, you'll just be like everyone else. Useless.
Man 2: n o u
by MuhBoment February 5, 2021
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means the person is living with HIV and on treatments which virtually eliminate the risk of transmitting HIV.
Did you know he's +u
by Kiwi91 July 2, 2015
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The end all to any argument. Used when one either has no intelligent argument left, wants to try and use "no u" as an intelligent argument, or want to piss someone off. Most effective after one has been insulted.
Jack: You are a dirty cheating whore for sleeping with my brother!

Jill: No u.

Jack: *Speechless*
by The BR August 24, 2006
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A face used to decribe the frustration of hooligans fooling around on your nice green lawn you spend so much time working on.
You crazy kids get the fuck off my lawn! >:U
by Marshizzle March 22, 2007
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