spit the dummy

== English == === Etymology === Referring to a baby having a tantrum and spitting out its dummy. === Pronunciation === === Verb === spit the dummy (third-person singular simple present spits the dummy, present participle spitting the dummy, simple past and past participle spat the dummy or spit the dummy) (informal, idiomatic, chiefly Australia) To overreact (as an adult) to a situation, in an angry and childish manner. ==== Synonyms ==== throw a tantrum throw one's toys out of the pram === See also === dummy spit have a cow hissy fit