Retardonitus

The disease that causes one to become retarded.

"The Retardonitus is hitting you hard today"

Retardonitus by BeegSausij June 4, 2019

retarditus 

a very lethal disease that makes you so incredibly stupid.

Hey bro you have retarditus

retarditus by fboiretard April 10, 2019

Retarditus 

Retarditus, another way of saying somebody is a retard and adding more of an insult with the 'itus' by implying that they have it as a disease.

Daniel "Your such a fuckin twat!"
Person "Yet another case of Retarditus..."

Retarditus by KtKornStar August 15, 2004

retardanitus

The act of catching a mental handicap like a disease.

Marc just had a simple case of retardanitus.

retardanitus by Backblast420 March 7, 2021