Tard Boy 

A person of any gender or race that acts in such a way that he/she makes everyone in their vicinity reconsider being around them.

Did you see that kid Johnathan trying to show off at that party yesterday? He’s such a tard boy.

Tard Boy by anti-tardboy October 25, 2017

tardboy 

a young man named joe collins who always manages to be the retard of his group of friends

tardboy once back his truck up right into frogboys while being told to stop by his cynical old father

tardboy by thefuckerupper December 27, 2013