knickers UK /ˈnɪkəz/US /ˈnɪkɚz/noun 2exclamation 1phrases 2 noun[plural only]2 •(UK, Commonwealth) Women's underpants. •(US, rare) Knickerbockers.He was a student at Notre Dame, a robust Joe-College kind of kid, husky and tall and always dressed in plus-four knickers. — 1946 exclamation1 •(UK, informal) A mild exclamation of annoyance. Phrases with knickers get one's knickers in a twistTo become overwrought or unnecessarily upset over a trivial matter. keep one's knickers onTo stay calm; to not get flustered or angry.
