dummy up

dum•my n., pl. -mies, adj.
n. [countable]

Slang Termsan object resembling a human figure, such as for displaying clothes:the dummy in the shop window.
Informal Termsan imitation or copy of something, such as for use in a display:lipstick dummies made of colored plastic.
[Informal.]a stupid person;
fool;
dolt:Some dummy mixed up our application.
a person who has nothing to say or who takes no active part in affairs.
one put forward to act for others while pretending to act for himself or herself.
[Slang.]
- [Offensive.]a person who lacks the power of speech.
- a person who is always silent.
Games(in bridge)
- the hand which is exposed and played by the person who has won the bidding.
Militarya bomb that cannot explode, used for practice exercises.

adj. [before a noun]

noting or relating to an imitation or copy:some dummy shells in the gun.
put forward to act for others while seeming to act for oneself:a dummy corporation that was actually controlled by a conglomerate.

dum•my n., pl. -mies, adj., v., -mied, -my•ing.
n.

Informal Termsa representation or copy of something, as for displaying to indicate appearance:a display of lipstick dummies made of colored plastic.
Slang Termsa representation of a human figure, as for displaying clothes in store windows.
[Informal.]a stupid person;
dolt.
a person who has nothing to say or who takes no active part in affairs.
one put forward to act for others while ostensibly acting for oneself.
[Slang]
- (offensive). a person who lacks the power of speech.
- a person who is characteristically and habitually silent.
Games[Bridge.]
- the declarer's partner, whose hand is exposed and played by the declarer.
- the hand of cards so exposed.
- a game so played.
- an imaginary player represented by an exposed hand that is played by and serves as partner to one of the players.
British Termspacifier (def. 2).
[Print.]sheets folded and made up to show the size, shape, form, sequence, and general style of a contemplated piece of printing.
Metallurgya rammer for pushing out dents in lead pipe.
[Computers.]an artificial address, instruction, or other datum fed into a computer only to fulfill prescribed conditions and not affecting operations for solving problems.
Militarya nonexplosive bomb used for practice exercises.
Dentistrypontic.

adj.

v.t.

[Print.]to prepare a dummy of (often fol. by up):The designer dummied up the book so that they could study the format.
to represent in a dummy (often fol. by in):to dummy in an illustration.
dummy up, [Informal.]to keep silent;
refuse to answer:If anybody asks you, just dummy up.

'dummy up' also found in these entries (note: many are not synonyms or translations):

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