look up any word, like darude - sandstorm:
 
1.
1) A Autobot/Decipticon that is utterly retarded.

2) Something that has to do with a machine of some sort that is retarded.

3) An insult inferring mental retardation of a person.
1 Guy #1 "Dude, there's a transformer that transforms into a Short-bus."

Guy #2 "What a retardicon."

2a "Your car can only get AM? Man, your car is a retardicon."

2b "That gundamn is a such retardicon."

3 "You are such a retardicon."
by Syn122 January 29, 2009
 
2.
a retarded robot or retarded computer
Nerd 1: The Monitor fro the Halo series is a retardicon

Nerd 2: totally
by mojitoman November 23, 2007
 
3.
Dinobot (dinosaur autobot), stupid person on the internet.
Dat retardicon, he done said he did that whack shit, and he ain't even trippin'.
by Daren Ebacher November 22, 2004
 
4.
An easily found substance, unnoticable to many people, but used by many. It causes retardation in many individuals.
Damn, that guy must've been smoking some retardicon!!
by jonathan m foster November 13, 2005