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Evolved from the words Smacktard and Fucktard.

1-Usually an individual with the appareance of a caveman or just an ugly person in general, who acts in a very retarded fashion.
2-A complete fucking idiot.
Yeah, Phil Laporte is such a cavetard.
Look at that cavetard trying to superglue his ass cheeks together.
by The Jayness April 20, 2004
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