knock off

verb

knock off: eliminate, destroy
copy, copying

Wiktionary

noun

Etymology: In the verb sense of stopping work, said to be from the practice aboard slave galleys to have a man beat time for the rowers by knocking on a block or drum; when he stopped, the rowers could rest.

Nonstandard form of knockoff.

verb

To halt one's work or other activity.
“I think I'll knock off for the evening and go to bed.”
“As a matter of fact, I'm only waiting for my mate to knock off for breakfast.”
To kill.
“The mobsters hired the guy to knock off their enemies.”
“"The point is, Michael has tried to get some research going into a method of knocking off triffids scientifically. That has to be found if we are going to get anywhere at all."”
To kill.
“The Hammers knocked off Arsenal on the strength of a 78th-minute tally from Jarrod Bowen.”
To remove, as a discount or estimate.
“They agreed to knock off 20% of the price.”
To rob.
“They decided to knock off a liquor store downtown.”
To make a copy of, as of a design.
“They send people to the shows in Milan for "ideas", which means knocking off the designs they guess would sell.”
“Whipping up a healthy breakfast has never been easier. Neither has knocking off your fave Starbucks snack either, thanks to this TikTok-approved egg bite maker.”
To assign (an item) to a bidder at an auction, indicated by knocking on the counter.
To have sex with (a woman).
“I took her down to Basin Street and to a movie, then took her to my room and knocked her off.”
To accomplish hastily.
“I knocked off a couple of quick sketches before the design meeting.”
To remove (something or someone) by hitting.
“He was knocked off his bike.”
“It now appears that the locomotive did not blow up, as was commonly stated at the time, but that the aeroplane flew so low as to come into contact with the dome of the engine, knocking it off. It was the combination of the impact and the uprush of steam that so disturbed the equilibrium of the raider as to cause it to crash.”