you-know-who

noun

Definition of you-know-who

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

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“You-know-who.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/you-know-who. Accessed 18 Jan. 2021.

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