Threetarded 

More than retarded, retarded to the third degree.

Dude, yo' mama failed the second grade? She must be threetarded!

Threetarded by AZNE Taylor January 8, 2006

Threetarded 

A word to describe a poor connection to the '3' mobile phone network.

The '3' network is highly disputed among most (including 3 customers) to have the crappiest coverage of all of the UK mobile networks.

Sorry, my signal just cut out. I think my phone's just being Threetarded.

Threetarded by KevalD April 29, 2009

Threetard 

The useless person who sits in seat three in a eight for rowing.

What does threetard even do?
Nothing, they're just the extra body to make eight.

Threetard by Rowing August 28, 2012

Tweetarded

1) To be ignorant of twitter; to have twitter but not know how it works.

2) Someone who is aware of twitter, knows how it works, but is still in some way mentally deficient with their use of it.

3) Worthless twitter posts (a phrase which may or may not be redundant).

1)
A: What's a tweeter?
B: It's like a messaging facebook thing. You use it to post toots.

2)
C: Hey, I got Twitter! But it says I can only post 120 words at a time.
D: *sigh*

3)
E: "Hello World. I am sitting on the couch.@Urbandictionary 6 minutes ago
F: "Stop being Tweetarded!!1@Twilight4Evarr 1 minute ago

Tweetarded by President Warren G. Harding September 11, 2009

Threetard 

A person who needs at least three promotions just to be considered stupid.

I can't believe you would do something like that! You are such a threetard!

Threetard by 2Q+2Q=4Q November 25, 2020

Tiretarded 

A slow, or even impaired mental state caused by being overly tired.

Jess, wasn't that your exit?

Oh no, i'm tiretarded.

Tiretarded by Stin42 October 31, 2007

Threetard 

Nascar fans who worship and idolize the late Dale Earnhardt.

There were a couple of threetards down at the Dover race. Don't they know he's dead?

Threetard by Paul Driscoll July 28, 2008