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go postal verb

  /ˌɡoʊ ˈpoʊstəl/ , /ˌɡəʊ ˈpəʊstl̩/
  • (intransitive, chiefly, US, informal) To become aggressive and erratic, especially due to stress; specifically, to carry out a shooting spree at a workplace environment; also (more generally) to become very angry; to lose one's temper.
empipar-se
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