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1.
A person that is Mexican and also Retarded.
"That man at tacobell forgot the cheese. What a retardo."
by Josh Pimpington November 16, 2007
 
2.
a term mocking disabled people, while personally insulting an individual.
RETARDO!!!! That's not how you spell cat!!
by Zoesha February 15, 2004
 
3.
1. An extreme retard, of possibly spanish descent.

2. A person of subnormal intelligence.

3. A noun, used to describe someone that is a retard. It's used as in insult against idiots.A person of unbelievable, inexcuseable and indescribable stupidity. A complete and utter fucking retard.

4. An Intellect Rivaled Only by Garden Tools. Living proof that evolution can go in reverse.

5. A cooler way of saying retard .Best when pronounced with a spanish accent. A complete and utter fucking retard.
Jack : The strawberry shampoo doesnt taste as good as it smells.

Daya : You are a fucking retardo.

Jack : Everything is the same… only different, btw how old is your 17 year old brother???

Daya : i said it once i will say it again, you are just a

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by Cupcke27 October 03, 2011
 
4.
How predictive text on a nokia phone assumes you spell Reuben.

Type Reuben on your phone while predictive text is on. Result is Retardo. Can be awkward if they are a friend as calling someone retardo – as I’ve recently learned – is offensive. Sorry Reubz!
by Emzah83 April 16, 2009
 
5.
derived from the word Retard and put in spic form. Can only be used by cool kids such as N&S. If you are called retardos, it usually means that you are homosexual and stupid and you deserve an ass fuck from a leprechaun, a cleveland steamer from a cross dressing whore(a man), and/or an arabian sandstorm from jonny boy crandall. These services will be forcefully practiced on you and ewill result in a form of xenophobic witchcraft bondage. Leprechauns will make deals with you and you're advised not to agree.
crack head: you're retardos man
pot head: no you're retardos
crack head: no you're retardos

on and on and on and on....
by gay flyner January 30, 2005