Top Definition
The condition of havinig abnormal amounts of arm hair, particularly on the forarms and sometimes spreading all the way up to the shoulder, similar to those of actor Robin Williams. The victim is so hairy, that they are often confused with a silver-back gorilla even while fully clothed.
damnit tim, please take care of your embarrasing robin williams syndrome before i get made fun of for associating myself with a silver-back gorilla.
by cackalackid83 November 16, 2006

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