tom‧my gun /ˈtɒmi ɡʌn $ ˈtɑː-/
noun [countable][
Date: 1900-2000;
Origin: Thompson submachine gun (20-21 centuries), from John T. Thompson (1860-1940), U.S. general who invented the gun]
old-fashioned informal a gun that can fire many bullets very quickly
[TahlilGaran] Dictionary of Contemporary English ▲