1) The past tense of increasing your retardation, making it greater, in retard style.
2) Making something retarded, making it suit your decore or general liking.
1) Freddy Schmoo uptarded himself by setting fire to his pants with his hands tied behind his back. All unintentionally, of course.
2) I uptarded my bedroom by covering the carpet with flour and wheat.
by Bastardized Bottomburp July 2, 2003
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It's like an upgrade to being more retarded.
I upgraded my computer from Windows XP to Windows ME.
by Dick Clevage June 18, 2003
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1. To act in a manner of one level higher than a retard. 2. To give less than adequate effort causing a poor result.
Cody proved he was an uptard by tripping over himself catching a baseball.
by ljlongboarder August 19, 2003
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(тормоз по русски)

a person who is neither retarded nor mentally challenged nor eccentric, but in their normal state (i.e without being UTI) is still slow on the uptake.
boy: Melissa, when is your birthday again?

girl: my name is not Melissa, it's Melanie, and are you lol an uptard? I know you are normal because you get amazing grades in chemistry and physics. my birthday, for the last time, is March 15, but you always give me flowers on March 9.

boy: I am not an uptard. both of the things you mentioned are correct; however, I have two cousins, identical twins, one named Melissa, the other Melanie, and you look like an older version of them. Numero Dos due to family tradition, i can't possibly give a girl flowers on The Ides of March, even if it's her birthday.

Melanie: are you telling me your limo is triple parked?

boy: no.
by Sexydimma January 1, 2013
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