Verb dummy up has 2 senses
  1. dummy, dummy up - make a dummy of; "dummy up the books that are to be published"
    --1 is one way to produce, make, create
    Sample sentence:
    Somebody ----s something
  2. close up, clam up, dummy up, shut up, belt up, button up, be quiet, keep mum - refuse to talk or stop talking; fall silent; "The children shut up when their father approached"
    Sample sentence:
    Somebody ----s
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