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Learner's Dictionary
you–know–who
1 ENTRIES FOUND:
you–know–who
(noun)
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you–know–who
noun
you–know–who
noun
Learner's definition of YOU–KNOW–WHO
[
noncount
]
informal
—
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
.
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