retarditis 

a condition where one displays a complete and utter lack of social skills. a person affected with retarditis may have an IQ slightly higher than his or her own age.

Zeb's test results just came back from the doctor and the results are positive. He has retarditis. The doctors say he only has 6 months 'til he's a full blown retard.

retarditis by C Had May 9, 2006

Retarditis 

(Retard-i-tis) 1 out of 3 humans have this disease. Retarditis is caused by multiple reasons, like being dropped on your head as a child, using way to many drugs which eliminate a persons brain cells.
Ways to spot Retarditis is

1 people who do stupid things multiple times a day.
2 people with learning and speak problems.
3 people who go to public places and act like a mentaly handicapped person.

Dave, "I think that kid on that short school bus has retarditis"

Look at my retarded friends, they got retarditis

Retarditis by rjcrjc May 11, 2011

Retarditis 

A disease only transmissible if you live

in Temora. Basically, if you Live in Temora you’re a retard, that’s all.

Wow, Scott was just diagnosed with Retarditis, this is a bruh moment

Retarditis by Overmicrowavednugget June 29, 2020

Second Hand Retardation 

When your IQ lowers due to an encounter with an individual who is low in intelligence, also can be referred to as "second hand autism".

"God I think I got second hand retardation after talking to that dumbass!"

"Dude I saw you talking to Rawny, be careful! You may get secind hand retardation after conversing with that vegetable!"

"I think I fell victim to second hand retardation I can feel my brain cells killing themselves!"

Second Hand Retardation by Tatrsos aka dank meme lord May 30, 2017

Internet Retardation

The devastating mental deterioration of Internet users. The process typically begins when visiting 4chan, Twitter, Reddit, or Discord. Users who frequent these sites often despise each other, and are all unable to function in real life. Symptoms of Internet retardation are also present in the younger generation, such as gachatards and Roblox users. Older generations who use Facebook will also suffer from Internet Retardation. Internet retardation is a global phenomena that can be prevented. Methods such as touching grass and talking to people in real life can help.

4chan btard : n*gger n*gger guys look at me I said the n word!!!!!! I hate tranny sped kids!!!!!! I'm so edgy guys!!
Twitter stan: sllaayyyyyy 💅 #cancelwhitepeople #menareevil #dreamfootfetishacceptance #whydidmydadleaveme
Redditard: Keanu big chungus 42069 lmao! I wonder why nobody laughs when I blast the Soviet national anthem!
Discord mod: I will ban you if you talk to my kitten like that. Follow #rules bud. Nobody gets in the way of me and my 9yr old anime pfp girlfriend.

Normie: I have a normal life and don't spend 25 hours a day online. How's your day? By the way, have you heard of incels? Must be tough having internet retardation.

Internet Retardation by Niga Jonsin October 19, 2022

Retardis 

A term for a person that is actually more retarded on the inside than they appear to be on the outside.

Derived from "retard" and the Dr Who Tardis machine.

"I didn't realise she was so stupid at first! She is such a retardis!"

Retardis by drmwoz October 28, 2009

Midnight Retardation 

Midnight retardation happens in the late hours of the night when you are so tired that you can't think of anything meaningful to say, so you just talk about bulshit topics all night with the homies.

You can't fully explain midnight retardation, but everyone's felt it once in their life.

Damn that midnight retardation be hitting hard.
I like dolplins as well.

Midnight Retardation by sasho184, sashimi April 15, 2022