Definition of you know what?
(Entry 1 of 2)
1 —used to emphasize the statement that comes after itYou know what? I never trusted her.She lied to me again, but you know what? I really just don't care anymore.
2 —used to get someone's attentionHey, you know what? I'm hungry.
Definition of you-know-what (Entry 2 of 2)
1 —used in speech to refer to something that is not named but is known to both the hearer and speakerI've hidden the you-know-what in the closet.
2 —used in place of a rude or offensive word in order to express anger or annoyanceHe's a complete you-know-what.
Love words? Need even more definitions?Merriam-Webster unabridged
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