Top Definition
a combination of the words "fat" and "retarded"; an adjective describing a fat, stupid person
Jeanette is completely fatarded.
by Dr. J1221 April 21, 2009
Short for fucking retarded. Meaning very very stupid. Can add even more emphasis by saying fucking fatarded.
After Joel put a staple into his head by accident I said, "You're so fucking fatarded."
by Ryan December 22, 2002
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