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1.
A mental affliction which causes people to think Twitter(.com) is useful in any way. (NO ONE CARES WHAT YOU'RE DOING EVERY SINGLE MOMENT.)
People who give you their twitter handle as soon as you meet are twitarded.
by ph1llydrifter July 25, 2009
 
2.
Not understanding how to use Twitter.com
Am I Twitarded or is twitter actually not working today?
by WillTaff January 29, 2010
 
3.
Being twitter retarded.
Candace: idk how to use twitter? What does follow mean?

Paul: Omg you are so Twitarded...
by KWooduh August 10, 2011