popgun

from WordNet (r) 3.0 (2006)
popgun
    n 1: plaything consisting of a toy gun that makes a popping
         sound
    
from The Collaborative International Dictionary of English v.0.48
Popgun \Pop"gun`\, n.
   A child's gun; a tube and rammer for shooting pellets, with a
   popping noise, by compression of air.
   [1913 Webster]
    

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