dead shot

dead shot (plural dead shots)

1. An unerring marksman.
   • 1912, Arthur Conan Doyle, The Lost World […], London; New York, N.Y.: Hodder and Stoughton, →OCLC:

     "He's a hard nail, is Jack, and a dead shot, too, but you can't leave a Grand National winner to die like that - what?"

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