propeller head
<jargon> Used by hackers, this is synonym with computer geek. Non-hackers 
sometimes use it to describe all techies. Probably derives from SF fandom's 
tradition (originally invented by old-time fan Ray Faraday Nelson) of propeller 
beanies as fannish insignia (though nobody actually wears them except as a 
joke).
 
[Jargon File]
 
(1995-01-18)
 
  
 
  
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