retard 

a person who is not able to accept that he and his oppinion are both wrong (often goes by the name Max).
It also can be used as a verb "retarded"

oh my god what a retard
Lol this guy is retarded

retard by sneeky snek December 30, 2017

Retard 

Someone who searches retard on urban dictionary

You, for searching retard on urban dictionary

Retard by kgshseagyioskulsvduifdjhlFUGEO February 13, 2018

Retard 

Logan paul

Retard: Look we found a dead body in the forest, we should film it!

Retard by Gaylmaooo May 6, 2018

Retard 

Having no brain

Harry and Richard are retards

Retard by floppybunnyboy May 7, 2018

retard 

Knowing better not to do something and doing it anyway.

The freakin' retard jumped off the roof and broke his ass bone.

retard by New Eglish May 7, 2018

Retard 

The definition of all Fortnite Players

Person 1: You Know those Retards who think PUBG sucks
Person 2: Yeah there all of those fortnite players

Retard by RussianComradeRushB March 7, 2018

Retard 

Someone who’s a dumb shit

Your retarded andy

Retard by Dirtyman124 May 18, 2018