crack up (someone) Meaning in the Cambridge English Dictionary
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Meaning of “crack up (someone)” in the English Dictionary

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crack up (someone)

phrasal verb with crack  us   /kræk/ verb
to ​laugh with ​greatenthusiasm, or to ​cause someone to ​laugh in this way: The ​stories they told cracked me up.
(Definition of crack up (someone) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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