Definition of spit out the dummy in English:

spit (out) the dummy

Australian informal Behave in a bad-tempered or petulant way.
More example sentences
  • So Warren reacts by spitting the dummy and suing!
  • Passed-over internal CEO candidates are well known for spitting the dummy and defecting to a competitor.
  • They're so nice about it, and I'm so anxious, that I can't start spitting the dummy down the phone.
See parent entry: spit

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Word of the day retroflex
Pronunciation: ˈrɛtrə(ʊ)flɛks
turned backwards