A simple mannequin used by tailors to fit clothes

present participle of dummy up

(idiomatic) A trial or practice before the real attempt.

simple past tense and past participle of dummy out

present participle of dummy out

plural of dummy bid

plural of dummy run

(rugby) An attacking move by two players resembling a scissors move but where the ball carrier only dummies the pass to his team-mate.

(idiomatic, informal, chiefly Australia) The act of overreacting (as an adult) to a situation childishly, in an angry or frustrated manner.

plural of dummy spit