Definition of "knock off" []

• Alternative form of knockoff. (noun)
• Used other than as an idiom: see knock,‎ off. (verb)
• To bump or hit so that something falls off (verb)
• To quit; stop doing work or other activity. The term originated 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. (verb)
• To kill someone (verb)

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• "That a deep, hungry team could add a post-up scoring threat like seven-footer James Edwards obtained from Phoenix Suns in midseason, the Pistons had all the tools to knock off Boston."
• "He had previously beaten not only Dick Nixon, a former vice-president of the United States, but U.S. Senator William F. Knowland, an Oakland publisher who was another Republican powerhouse in California, and I suspect he thought it would be even easier to knock off this newcomer to politics from Hollywood."
• "'The Skipper' "At some point all of us wanted to knock off Marcia—and so I did," says Roxanne Diesel , author of the Brady script."