knock off

verb

Meaning

To halt one's work or other activity.
"I think I'll knock off for the evening and go to bed."
To kill.
"The mobsters hired the guy to knock off their enemies."
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."
To assign (an item) to a bidder at an auction, indicated by knocking on the counter.
To have sex with.
To accomplish hastily.
"I knocked off a couple of quick sketches before the design meeting."

Synonyms

knock out,

call it a day,

call it a night,

down tools,

coitize,

go to bed with,

sleep with,

bump off,

do away with,

whack,

plagiarize,

rip off,

deduct,

take off,

burgle,

mill

noun

Meaning

An imitation of something, particularly a well-known product, usually lower in quality and price than the original.
"It's not a name-brand bag; it's just a cheap knockoff."
A device in a knitting machine to remove loops from the needles.