A person who thinks they are smart but they act like a fucking retard. Otherwise known as a dumbass.
Oh, you are such a smarttard.
by swissmocha April 1, 2005
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when you can be smart, but make retarded remarks that have people wondering if your game in smarts is really that big or if you're just playin'.

when someone names the obvious.
Joe: I want an apple.
Bob: That sounds good. Did you know that apples grow on trees?
Joe: Boi you're smarttarded.
by lulu0725 November 8, 2017
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