you-know-what noun
Learner's definition of YOU-KNOW-WHAT
[noncount] informal
1
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used in speech to refer to something that is not named but is known to both the hearer and speaker那个东西(用于口语,指不言而喻的某事物) 2
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used in place of a rude or offensive word in order to express anger or annoyance那个东西(用于替代粗鲁或有冒犯之意的词)