Retardeditity 

A level of being retarded beyond the regular level of retardation.

Adams level of retardeditity never ceases to amaze me.

Retardeditity by Dragon Toes September 30, 2007

retardedest 

the most retarded, the highest level of retardness

That blexican is the most retardedest person i've ever met.

retardedest by disrespecting foo December 5, 2002

Retardication 

2 or more stupid people having intercourse

That was some serious retardication when Keanu Reeves was doing Paula Abdul back in the 80s.

Retardication by Da Man with a Plan December 13, 2007

Retardedest 

Most retarded

You are the most retardedest people ever.

Retardedest by bigalwillis2007 October 10, 2019

retardedrandy 

a retarded randy is someone who thinks hes cool but trips or eats crap infront of public

retardedrandy by nick October 20, 2003

Retardedgayman 

A nick name commenly used by people who are insecure about their sexuality.

"Hey wanna join a game of Diep.io? My nickname is retardedgayman."

Retardedgayman by JenoBeno October 4, 2021

Retarderate 

An action which causes retardation in others. Also defined as that which makes you retarded.

My physics class retarderates me every time- I come out dumber than I was when I went in!
George Bush can retarderate anyone- after ten minutes of listening to him, retardation is inevitable.

Retarderate by aidsdate.com June 2, 2011