know what's o'clock

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English[edit]

Verb[edit]

know what's o'clock (third-person singular simple present knows what's o'clock, present participle knowing what's o'clock, simple past knew what's o'clock, past participle known what's o'clock)

  1. (dated) Synonym of know what is what

References[edit]

  • John Camden Hotten (1873) The Slang Dictionary