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.
(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.