A person who is wasted on the street drug GHB is said to be G-tarded.
That guy is so far gone look how g-tarded he is acting.

You better check your friend 'cause he's acting g-tarded.
by Sara Jensen September 22, 2006
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A white man who is convinced beyond the shadow of a doubt that he is a black man trapped in a white man's body.
"Jesus, look at that fucking G-tard with those baggy pants and that chain around his neck, talking all those ebonics."
by Kellen C. July 8, 2004
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Someone who clearly likes to over indulge in the party drug GHB GBH. When taking in excess the user often experiences incontrollable body movements, makes random noises and yelling offensive obsenities at total strangers as if they have severe tourettes syndrome.
Dan: Hey, looks like Jimmy's over done it on the GHB again.

Megan: Clearly, I can see his manky arms flapping about like that retard window licker from bach in school.

Dan: He's with out a doubt the biggest G-tard i've ever met!
by Jesse G Drop January 21, 2008
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someone that thinks they are being funny when really they are not, it helps if they think they are a funny gangster type but really are just some lame ass suburban nerd like the guy that sent in the definition for g rated pregnancy.
Have you read the definition for g rated pregnancy on urban dictionary.com its g tarded and so is guy that sent that in!
by upincanada November 15, 2006
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A guy who knows nothing about sex with a woman. A guy with no sex technique.
The guy couldn't even find her g spot. What a g tard!
by Alan Michael Alan July 7, 2006
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Someone who tries to act like a gangsta because they think it's cool, but ends up looking like a total retard.
Lame internet troll: Lil Wayne iz da bez raper in all ov timez mane, hez juz sooo gud!
Me: No he's not, Rakim is. Lil Wayne's lyrics sucks and he raps about stupid topics.
Lame internet troll: Yo fuck all doz big word rapperz mane, Lil Wayne iz betta den all ov doz over rated washed up has-beens who whine about there lifes!
Me: Why do you spell so bad?
Lame internet troll: Cauze speeling iz 4 loozers! I'm such a gangsta, I listenz two Lil Wayne, I where myz hat two da side, dat meanz Im a gangsta!
Me: No, it means you're a retard. You're a g-tard!
by Icy Wyte December 11, 2016
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