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
by President Warren G. Harding September 11, 2009
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Someone who is totally clueless as to the social significance of twitter. A total imbecile in a situation that can be analogized as George W. Bush and an Economy. A retard when it comes to the use of twitter.
I told you you need to get a twitter account to but you're still stuck in facebook and Hi5, why do you insist on being so tweetarded!!!
by BrainStormer June 19, 2009
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The second coming of the Social Justice Warrior.

A self righteous twitter based individual who believes their opinion trumps that of everyone else's - and logic.
The Tweetard can often be found trying to cancel others on the internet for reasons still unexplainable by mankind, and is known to show little to no common sense - ever.
Normal human: I fully support BLM and truly strive for equality, but I don't think the looting and destruction of property is going to do any good.
Tweetard : WHAT THE ACTUAL FUCK YOU FUCKING RACIST PIECE OF BIGOTED SHIT?!?!?!?!? TW// RACIST UNEDUCATED IMBRED, TAKE YOUR WHITE PRIVILEGE ELSEWHERE SIS (PERIODT).
Normal human: Sorry, I guess that was a bad way of phrasing it, but I guess we are all learning to become better people as we grow.
Tweetard: TOO LATE, SAY GOODBYE TO ANY CAREER PROSPECTS YOU HAD ratio

Fluffy Texan: haha fluffy hehe
by Sarrosmann April 25, 2021
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A person who always posts retarded tweets.
Ray: Did you see Damo's latest post?
Mikey: Yeah, he's such a tweetard.
by Mikey The Comic December 17, 2009
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A Twitter whore.
Someone who is addicted to Twitter.
That tweetard posted 50 updates in one day.
by FreeMemory January 21, 2009
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A person who utilizes the Twitter application to communicate unintelligent—often unintelligible—thoughts, proposals, threats, etc. SYNONYM: Donald Trump.
As a young boy, his mother told him that if he was willing to abandon decency and care only about himself, he too could someday become a TWEETARD and live for four years (or less) in the White House.
by Mo D July 25, 2018
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