retardon 

The result of someone who is turned on by a mentally handicapped person causing a boner, based on the combination of the words "retard" and "hardon."

"I accidentally clicked on some retard porn and I was surprised when I got a total retardon!"

retardon by The Urban Queen Again August 25, 2013

retardtron 

a robot look-a-like with a hard drive that needs defragmentation.

Nice metallic leggings. You look like a retardtron.

retardtron by Regenstein January 25, 2008

Retardondo 

A weird way of saying retard. Used commonly in elementery schools located in Texas because of its high number of mexicans.

girl: Ricky is SUCH a retardondo!

Retardondo by Cherry On Topp December 28, 2005

Retardondo 

The word you use when someone is being a total and utter retard that you can’t string together a sentance to tell then that

Duncan you retardondo

Retardondo by Ddahnke06 February 10, 2020

Retardone

A dead retard.

That retardone needs a gravestone made of paper mache.

Retardone by Mumble Tumpkin May 9, 2018

retardaton 

A blend of "retard" and "automaton." A person who agrees with everyone else without thinking about it first

Anyone who likes John Mayer is a retardaton.

retardaton by Michael Kohelet February 13, 2005

retardmonger

someone who is intentionally edgy because they think they're cool but are just really cringy

"God, that kid on CSGO was being such a retardmonger"

retardmonger by that_one_melon_guy January 14, 2019