keep one's knickers on

verb

To stay calm; to not get flustered or angry.

“Keep your knickers on, mate. It was only a joke.”

Similar
keep one's hair onkeep one's pants on
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Meanings

verbkeep one's knickers on (third-person singular simple present keeps one's knickers on, present participle keeping one's knickers on, simple past and past participle kept one's knickers on)

present singular third person keeps one's knickers on · participle present keeping one's knickers on · participle past kept one's knickers on · past kept one's knickers on

  1. idiomaticimperativeslangTo stay calm; to not get flustered or angry.

    Keep your knickers on, mate. It was only a joke.

    Synonyms: keep one's hair on, keep one's pants on

Synonyms & antonyms

verbTo stay calm; to not get flustered or angry.

Similar
keep one's hair onkeep one's pants on
Also see
keep one's hair onkeep one's pants on
Cite this entry
APA

keep one's knickers on. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/keep%20one's%20knickers%20on

MLA

“keep one's knickers on.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/keep%20one's%20knickers%20on. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “keep one's knickers on,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/keep%20one's%20knickers%20on.

Source: keep one's knickers on on Wiktionary, CC BY-SA 4.0.