dummying

noun pl. dummies

1. Slang a person unable to talk; mute: an offensive term
2. a figure made in human form, as for displaying clothing, practicing tackling in football, etc.
3. an imitation or sham; substitute for the real thing, as an empty container or false drawer
4. a person secretly acting for another while apparently representing his or her own interests
5. Slang a stupid person
6. Bridge
   1. the declarer's partner, whose hand is arranged face up on the table and played by the declarer
   2. such a hand
7. Printing
   1. a set of pages with the layout, as for a magazine
   2. a bound volume with blank pages, used as a model for a planned book

adjective

1. imitation; sham; fictitious
2. secretly acting as a front for another: a dummy corporation

intransitive verb dummied, dummying