nutter

from WordNet (r) 3.0 (2006)
nutter
    n 1: a person who is regarded as eccentric or mad [syn:
         {nutter}, {wacko}, {whacko}]
    
from The Collaborative International Dictionary of English v.0.48
Nutter \Nut"ter\, n.
   A gatherer of nuts.
   [1913 Webster]
    

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