Grecian Tard 

The actual meaning is a dress from a greek origin however in slang terms it is an offence.

Grecian - to look like a llama or alpaca species
Tard- idiot

Girl 1: hey that guy looks like a llama dont you think?
Girl 2: yeah he kinda does, i have heard he is such an idiot
Girl 1: well then i guess he is a grecian tard

Grecian Tard by WillCollins April 7, 2010

E Tard 

Someone who is stupid from overuse of extacy
Or someone who overuses it.

"Beth is totally an E Tard ... "
"You're turning into an E Tard"

E Tard by T.ShNooKs August 20, 2006

nerd tard 

those kids at school who are really dumb but get good grades cause they hang out with the nerdy kids, study way too much and suck up to teachers

they have no real friends

raji is such a nerd tard, she asked a million questions about the same thing

nerd tard by thebiggestbossintheworld May 21, 2009

Twi-tard 

Over the top fans of the Vampire series "Twilight". The kind of person who stands in line all day to get in to the midnight showing of the latest Twilight movie. Most likely they have read all the books and have picked a side... "Team Edward" or "Team Jacob." These people sometimes call themselves

Twi-hards.

Dude 1:Hey, so we going out clubbing tonight?
Dude 2: Ah no bro, I'm already on my way to see Twilight Eclipse at the midnight showing!
Dude 1: Wow, I never pegged you for such a Twi-tard!

Twi-tard by darkwolf2u July 7, 2010

Billy Ray-tard 

A southern person, like Billy Ray Cyrus, who acts retarded.
You could also just call someone who is being a jackass or is doing something that annoys you a Billy Ray-tard!

"You Billy Ray-tard!!! I told you not to call me Squirrel Boy!! God dang it!"

Billy Ray-tard by SuperSmoothSullivan November 6, 2009

Double A Tard

One who either is a Big Book Nazi and preaches the book and has no life out side of AA. Or someone who isn't there for the meetings, there only there because no one else will be friends with them and now we have to put up with there shit.
Also some one who should go to other meetings maybe BB instead of AA (What's BB? ......It's not AA)

Ugggh Jesus you stupid Double A Tard, cant you just leave and go to one of those other meetings?

Double A Tard by Craphead1966 March 28, 2011

Clit-tard 

Someone, usually male, who is sexually inadequate and possibly has a tiny dick and is something of stranger to women's best friend that is the clitoris and couldn't find a G-spot on a radar.

Lad; "Hey baby, how about a good time?"

Lass; "Why don't you fuck off to whatever little fucking sewer you crawled out of you sad, pathetic, smelly, borderline queer little Clit-tard!"

Clit-tard by Hector Knox July 9, 2006