coldcock

Related to coldcock: cold-hearted

coldcock

To strike someone, knocking them down and, possibly, rendering them unconscious. The burglar would have escaped too, had a passerby not coldcocked him. Everyone was stunned when that scrawny nerd coldcocked the bully.
Farlex Dictionary of Idioms.

coldcock someone

to knock someone unconscious. He hit him once and looks like he coldcocked him. She cold-cocked him with her walking stick.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

coldcock

tv. to knock someone out. The clerk coldcocked the would-be robber with a champagne bottle.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • catch sight of
  • catch sight of (someone or something)
  • have (someone or an animal) cornered
  • have cornered
  • catch a glimpse of (someone or something)
  • glimpse
  • have (someone) by (something)
  • have by
  • struggle with
  • struggle with (someone or something)
References in periodicals archive
However, in the last few years I have had occasion to put down the Mason Dots and pause as my fellow wonderful people wrenched me out of my fantasy world and coldcocked me with a group reaction.
A kiss is just a kiss
Still, she claims she got off easy, learning early to find ways to avoid her father's anger, and she says the girls had it better than the boys: "He never coldcocked us."
The man who loves to hate: the Rev. Fred Phelps is dismissed by some. Those who really know him know better
Palmer, who planned his nefarious affairs with military precision, had - for the first time - been coldcocked.
WAS 'GOLDFINGER' THE PHANTOM? The Mr Big linked to Brink's-Mat may have had an earlier secret life as the robber who always got away secret life as the robber who always got away Murdered Midland millionaire John Palmer could have been the brutal 'Phantom' armed robber, a former top detective tells MIKE LOCKLEY