know what's o'clock
English
[edit]Etymology
[edit]Compare Dutch weten hoe laat het is.
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)
- (dated) Synonym of know what is what
References
[edit]- John Camden Hotten (1873) The Slang Dictionary