Retardium 

The material of stupid, it is highly toxic and exposure should be minimal.

I listened to the Republic Debate last night and i got a Retardium overdose.

Retardium by Rallehop March 21, 2016

Retardium 

A rare earth metal that can only be found on any planet other than Earth.

Joe Mom mined some Retardium.

Retardium by Sexiest Man Alive ver2 May 12, 2021

Retardium 

A place for retards. Psychiatric ward or mental hospital.
Noun.
Not to be confused with retardia- a land for retards.

"He must go to the retardium."

"NOOOOO..... Not the retardium!"

Retardium by Poplman March 17, 2023

Retardicon 

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."

Retardicon by Syn122 January 29, 2009

Retardi b 

Some dumb bitch that ruins alot of music, the right way of saying Cardi b's rap name.

Oh wow that so called rapper Retardi b ruined that new song with (insert a good rapper).

Retardi b by Urb4n13g3nd27 July 6, 2019

retardiculous 

Ridiculous to a retarded level. Something so stupid it's beyond any sane reason to do it.

That was retardiculous to try and steal a live lobster by stuffing it down your pants and trying to walk out of the store!

retardiculous by Atakith December 20, 2016

Retardify 

To break down an explanation to common terms so that a simpleton can understand it more clearly.

Since you clearly don't understand this let me retardify it for you.

Retardify by 2_Fabulous October 2, 2009