look down the barrel

look down the barrel

To raise and point a gun at someone or something. (The "barrel" of a gun is the tube-shaped part from which the projectile is fired.) I don't know that I could look down the barrel and shoot another human being—I just don't think I could do it.
See also: barrel, down, look
Farlex Dictionary of Idioms.
See also:
  • Don’t make a federal case out of it!
  • all in (one's) head
  • don't bet on it
  • don't cry before you are hurt
  • (I) won't tell a soul
  • don't get me wrong
  • bank on
  • banking
  • don't give up the ship
  • don't beat a dead horse