Dictionary.com
Thesaurus.com

pistol-whip

American  
[pis-tl-hwip, -wip] / ˈpɪs tlˌʰwɪp, -ˌwɪp /

verb (used with object)

pistol-whipped, pistol-whipping

  1. to beat or hit (someone) repeatedly with a pistol, especially in the head and shoulder area.

pistol-whip British  

verb

  1. (tr) to beat or strike with a pistol barrel

"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

Etymology

Origin of pistol-whip

An Americanism dating back to 1940–45

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.