spit the dummy
To overreact (as an adult) to a situation, in an angry and childish manner.
He'll really spit the dummy when he hears that he's not going on that trip.
noun
A silent person; a person who does not talk.
The man's name […] was engraved in the centre, and beneath this, written in ink with the same elaborate precision as the engraving, there was a brief message. I am a deaf-mute, but I read the lips and understand what is said to me. Please do not shout. […] Singer looked very carefully at his lips when he spoke—he had noticed that before. But a dummy!
A stupid person.
Don't be such a dummy!
A term of address.
Hey dummy, what's good wit chu?
A figure of a person or animal used by a ventriloquist; a puppet.
Something constructed with the size and form of a human, to be used in place of a person.
To understand the effects of the accident, we dropped a dummy from the rooftop.
"There's a remedy, it does try one, but never mind," said Gubjor; "I shall make a dummy baby, which I shall bury in the churchyard, and then the dead will believe they have got the child, take my word, they won't know but what it is the real baby!"
verb
To make a mock-up or prototype version of something, without some or all off its intended functionality.
The carpenters dummied some props for the rehearsals.
To feint.
The more glamorous qualities usually associated with him are skill and pace and he used those to race on to a ball across him and dummy a defender before having a right-foot shot saved.
For the first, the 30-year-old allowed Walcott space on the right to send in a pass that was expertly dummied by Samir Nasri, allowing Van Persie to swivel and smash right-footed past Robert Green.
adv
Extremely.
It's dummy hot outside.