A gun or a weapon likely or projecting a target, and its missile or bullet is rock salt. It is used to kill paranormal objects that could appear around us like genie, ghost or even evil souls.

It's a new definition from Supernatural series. Those Winchests own the saltgun.
" Dude, hold the saltgun, please. "
" Have you refill the saltgun? "
" Yea, I have done it. "
" Right target to kill these craps! "
by Neuroneuster May 3, 2007
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