retardedest 

the most retarded, the highest level of retardness

That blexican is the most retardedest person i've ever met.

retardedest by disrespecting foo December 5, 2002

social retardation

condition in which a person behaves inappropriately whenever they are ou in public. Such person has no idea how to act or communicate in the presence of others but does not get embarrassed because they aren't aware of their own deficiencies.

Please excuse my mother, she suffers from social retartation.

social retardation by LN July 19, 2003

retardo-montalbon 

A reference to the famous Ricardo Montalbon, from the ground breaking TV show, Fantasy Island. This modification of the word is meant, however, to imply that some one is 'retarded', but at the same time gives props to a legendary actor.

Girl A: "I tried to have a conversation with Dianne about the Iran-Contra Affair....she didn't know who Oliver North is."

Girl B: "Wow, you can't talk to that retardo-montalbon about anything"

retardo-montalbon by ellemesse July 7, 2006

Retardville 

A way to call a person or a group of people dumb or stupid

Kid: 2 + 2 is 5 right?

Me: It seems like we've arrived at Retardville

Retardville by SilverJuggernaut635 May 23, 2018

Fucking retarded 

Someone who does something retarded more than once.

"The car brand client is wondering why her ideas didn't make it into the pdf?"

"Because she's fucking retarded."

Fucking retarded by SexyBoots June 13, 2012

retardacity

A psuedo-scientific measure of the maximum capacity of a room for retardation/retarded behavior.

Using a soldering iron to fix a broken support beam in a futon almost breaches the retardacity limit in a given room.

"This room has reached its retardacity limit. If it gets any more retarded something will probably catch on fire."

retardacity by HugoBoom May 16, 2006

retarded 

(a.k.a. R-word)
Adjective:
1. Used to describe someone less mentally and/or physically developed than others of their age. This term is now considered derogatory. (Also can be used as a noun.)
2. A generic insult or emphasis to describe how stupid/appalling/etc. something or someone is.

Verb:
3. To have been slowed down/delayed.

1. This student is mentally retarded, so he is in a different class.
2. This movie was so retarded! The acting, story, and special effects sucked!
3. The famine retarded the growth of population.

retarded by AFN7 April 3, 2016