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.
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- Alternative form of
- (intransitive, slang) To halt one's work or other activity.
- I think I'll knock off for the evening and go to bed.
- (transitive, slang) To kill.
- The mobsters hired the guy to knock off their enemies.
- (transitive) To remove, as a discount or estimate.
- They agreed to knock off 20% of the price.
- (transitive, slang) To rob.
- They decided to knock off a liquor store downtown.
- (transitive) 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.
- (transitive) To assign (an item) to a bidder at an auction, indicated by knocking on the counter.
- (transitive, slang) To have sex with.
- 1965, Brown, Claude, Manchild in the Promised Land:
- I took her down to Basin Street and to a movie, then took her to my room and knocked her off.
- (transitive, informal) To accomplish hastily.
- I knocked off a couple of quick sketches before the design meeting.
- (halt one's work): call it a day, call it a night, down tools
- (kill): bump off, do away with, whack; see also Thesaurus:kill
- (remove): deduct, take off; see also Thesaurus:remove
- (rob): mill, burgle; see also Thesaurus:steal
- (make a copy of): plagiarize, rip off
- (assign to a bidder):
- (have sex with): coitize, go to bed with, sleep with; see also Thesaurus:copulate with
- (accomplish hastily): knock out
Terms derived from knock off (verb)
terms related to knock off (verb)
hit (something) off