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smoking gun

indisputable proof or evidence of a crime.
Origin of smoking gun
First recorded in 1970-75 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for smoking gun
Contemporary Examples
Historical Examples
  • Rathburn slipped his smoking gun into his holster and mounted noiselessly.

    The Coyote James Roberts
  • He had the smoking gun in his hands, for he hadn't the wit to get rid of it.

    An Isle in the Water Katharine Tynan
  • Davis he shot, and saw him sway and fall flat, with a smoking gun in his hand.

    The Gringos B. M. Bower
  • Jim thrust his smoking gun into his belt and caught Craig by the arm.

    The Black Box E. Phillips Oppenheim
  • Brennan was upon one knee near the central window, a smoking gun in his hand, a red welt showing ghastly across his cheek.

    My Lady of the North Randall Parrish
British Dictionary definitions for smoking gun

smoking gun

a piece of irrefutable incriminating evidence
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Slang definitions & phrases for smoking gun

smoking gun

noun phrase

Incontestable evidence; the GOODS: They had discovered the ''smoking gun'' that would destroy the general's case/ In fact, there may be no ''smoking gun,'' no incontrovertible, black-and-white evidence of wrongdoing

[1970s+; fr the image of a murderer caught with the fatal smoking firearm still in hand]

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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Idioms and Phrases with smoking gun

smoking gun

Something that serves as indisputable evidence or proof, especially of a crime. For example, There is no smoking gun in the Oval Office; the President had no role in tampering with the evidence. This expression alludes to the smoke coming from a recently discharged firearm, a normal occurrence until the invention of smokeless powder. [ Mid-1900s ]
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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