you–know–what
1 ENTRIES FOUND:
you–know–what
noun
you–know–what
noun
Britannica Dictionary definition of YOU–KNOW–WHAT
[noncount]
informal
1
— used in speech to refer to something that is not named but is known to both the hearer and speaker
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I'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 annoyance
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He's a complete you-know-what.
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That's a big pile of you-know-what.
