WordNet
n. a hard punch that renders the opponent unable to continue boxing [syn: haymaker, KO punch, Sunday punch]
Wikipedia
A knockout punch, also known as a chassis punch, panel punch, Greenlee punch, or a Q-max, is a hand tool used to punch a hole through sheet metal. It is a very simple tool that consists of a punch, die, and screw. There are three different drive systems: manual, ratchet, and hydraulic.
Usage examples of "knockout punch".
No fighter protection, -no torpedo planes for the knockout punch: the Enterprise dive-bombers ordered to go in alone against the Jap interceptors!
His fingers looped around Chuck's, contracted briefly and withdrew, a butterfly kiss instead of a knockout punch.
He could bounce on his toes for fifteen rounds and still deliver a knockout punch on cue.
What she needed was a solid knockout punch, and she thought she knew what it was, but she didn't want to use it until the right moment.
And though they were not heavily armed by Imperial standards--the combined output of the eight batteries was less than that of a gunship, to say nothing of an escort or a heavy cruiser--the ability to focus all of that energy on one small area gave them the knockout punch of a much larger ship.
All were dead tired, and Brazil was also still smarting from the knockout punch given him by the great creature that seemed to be the reincarnation of his past friend.
His knockout punch to forensic science was to decide to be cremated.
He was so far behind on points that only a figurative knockout punch could salvage a win—.
She stood facing me, in the classic boxing stance, left extended, right hand cocked for the knockout punch.