getting one's shirt out

Verb

get one's shirt out (third-person singular simple present gets one's shirt out, present participle getting one's shirt out, simple past got one's shirt out, past participle (UK) got one's shirt out or (US) gotten one's shirt out)

1. (dated, idiomatic) To become angry or annoyed; to lose one's temper.
   • "All right, sir, all right," said Chizzlem, lighting a huge cigar; "there it is, don't get your shirt out about it. I daresay I'll get along well enough without you. Though why you should be ashamed at what some of the flyest men do regularly, I can't tell."1883, Robert Harborough Sherard, A Bartered Honour: A Novel, Volume 1, Remington, page 183