Someone who is so far left-wing in ideology, that they make others believe that the person must be mentally handicapped - read: Retarded, to have such opinions.
person 1: Did you hear Amy talking about how 9-11 was an inside job? That Bush actually knew about it and that Cheney actually planned it.

person 2: Don't listen to her, she is a Leftard.
by DK668 November 13, 2007
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When a far left political ideological votes gets deranged upon not getting their way.
When Tyrone heard George president trump won, he got a case of leftard and started a riot.
by El CID July 23, 2020
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Used by a right handed person who has no ability to use their left hand for anything other than balance.
Q: Hey, how did you spill coffee on your pants?

A: I tried answering my cell phone while holding my coffee mug, but im so Leftarded that I ended up spilling on myself.
by Jax75 May 18, 2007
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