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1 definition by leppert leinad

 
1.
A mental disease that occurs in the formation of the brain. With different degrees of severity, it may range from mild social disfunctions to complete lack of speach, comprehension, etc. Usually pair with this problem is often a very exceptional gift such as extraordinary math or memorization skills. NOT THE SAME AS RETARDED.
See the movie "Rain Man". In it, Dustin Hoffman plays an man with autism.
by leppert leinad December 16, 2005