Similar words: dummy, dummy run, tummy, mummy, rummy, gummy, yummy, crummy. Meaning: v. 1. make a dummy of 2. refuse to talk or stop talking; fall silent.
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(1) The editor dummied up the editorial page.
(2) The designer dummied up the book so that they could study the format.
(3) If he dummies up, just try a little persuasion.
(4) When questioned, he invariably dummy up.
(5) If anyone asks you, just dummy up.