1) Someone who lacks any shred of common sense.

2) Someone who has no verifiable medical reason for acting in an idiotic manner.

3) Someone of normal IQ who just can’t seem to grasp the blatantly obvious.

4) Someone who ignores all scientific data in favor of their own idiotic ideology.

5) Someone who makes the EXACT SAME MISTAKE repeatedly, but just can’t figure out why they keep getting the same results
Sarah Palin is a retard, who’s youngest child is developmentally disabled, because he has Downs Syndrome.
by Highland Piper February 25, 2010
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A slowing of mental decline in aging cosmologists and theory crafters with phd's.
Due to the physics of the Universe. Thankfully Retardation saved us from the Idiots who thought space was expanding. Retardation slowed the mental decline and headed back toward equilibrium.
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Someone or something that is so goddamn stupid that anything that comes out of their mouth drains your brain cells.
Someone having to look up retardation on the Urban Dictionary is absolute retardation.
by atomic07 May 9, 2019
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A perfectly fine word that some people misuse. Oh, and by the way, I have been diagnosed with Tourettes syndrome. I'm not a bully.
abled person: that's retarded
disabled person: I agree with you.
by AppleLord3000 January 5, 2023
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A person who has an IQ less than 70.
Jacob is a Retard because he scored low on his IQ test.
by Retard Killer October 5, 2022
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People that spam requests their names to try to get their names on Urban Dictionary.
by MorphineDrip January 17, 2020
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