Verb knock over has 1 sense
  1. overturn, tip over, turn over, upset, knock over, bowl over, tump over - cause to overturn from an upright or normal position; "The cat knocked over the flower vase"; "the clumsy customer turned over the vase"; "he tumped over his beer"
    --1 is one way to move, displace
    Sample sentences:
    Somebody ----s something
    Something ----s something
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