Top Definition
The act of trying to be smart when everybody knows you are not smart, so you switch between being smart and retarded for months on end.
"Dude did you see that kid, he tries to say he is in trig but he is in the special classes.... what a of Tranbipolarretard!"

"in this case the kid he was making fun of had a minor case of Transbipolarretardism
by The Transbipolar Retard February 24, 2010
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