you-know-who

noun

Definition of you-know-who

informal

  1. —used in speech to refer to someone who is not named but is known to both the hearer and speaker We're planning to throw a party for you-know-who.


Seen and Heard

What made you want to look up you-know-who? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

a person who is a bore or nuisance

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!