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*
Bob: no u
Dick: *dies in hell for the rest of eternity*
by elementalneil May 10, 2018

A "U guy" is a male presenting person with a large amount of female features. Short hand for unisex guy, or undetermined guy. Term is casually used within small groups to adress androgynous male or male presenting friends.
by ZucchiniPeenie April 20, 2024

by Engineer_dad February 15, 2021

Phrase used to counter any insult no matter the intensity. This will reflect any insult back to your enemy with the effectiveness of a 100x
by Third grade niggas May 10, 2018

1: Hello mate
2: Hi. Btw dude your mom gay.
1: No u
2: No u infinity
1: No u blackhole
2: No u wormhole
person 1 instantly dies
2: Hi. Btw dude your mom gay.
1: No u
2: No u infinity
1: No u blackhole
2: No u wormhole
person 1 instantly dies
by Your mom geiii October 3, 2018

u/ means username/ and it is used in Reddit and is well known in the Reddit community. People use u/ insert random name here to mention a random Redditor to tell them to get their butts onto a post or to show others who the person is. BE AWARE that when you mention somebody they can see what you commented that made them go onto the post
Anne: Hey Harry how do I mention a Redditor again I'm still new to this website, please help.
Harry: You just type u/ and then their Reddit names and there you go that's the dummy's guide to mentioning somebody on Reddit.
Anne: Did you just call me dumb?!
Harry: No...
Harry: You just type u/ and then their Reddit names and there you go that's the dummy's guide to mentioning somebody on Reddit.
Anne: Did you just call me dumb?!
Harry: No...
by u/welikeReddit1 January 20, 2021
