Meaning of “knock sb up” in the English Dictionary

"knock sb up" in British English

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knock sb up

phrasal verb with knock uk /nɒk/ us /nɑːk/ verb


slang to make a woman pregnant:

You don't want to get knocked up by some guy you hardly know.

(Definition of “knock sb up” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)