Definition of knock off

Definition of knock off
  1. knock off Noun An imitation, especially one of poorer quality.
  2. knock off Verb To bump or hit so that something falls off
  3. knock 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.
  4. knock off Verb To kill someone
  5. knock off Verb To reduce or remove
  6. knock off Verb To steal.
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