I couldn't find a good etymology, but here's some early usage according
the the OED: 
<<
 geek (ik). [Var. GECK sb.1] U.S. slang. (See quots. 1954 and 1961). 
 [1876: see GECK sb.1]. 1916 Wells Fargo Messenger Oct. 29/2 A new Wells
agent struck our town the other week, and say - you never saw a more
enthusiastic geek!  1954 WEBSTER Add., Geek, a carnival `wild man' whose
act usually includes biting the head off a live chicken or snake.  1961
Times Lit. Suppl. 27 Jan. 62/2 He picks up waitress, a simple girl, and
enslaves a `geek', a dumb sideshow stooge whose daily routine consists of
being exhibited in a pit which he has to dig for himself. 
>>
-- Doug
Received on Sun Oct 04 1998 - 16:46:32 BST
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