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to knock up
[phrase form: knock]
01
to make something quickly and easily, often without much care or effort
Dialect
British
British
Examples
I knocked up a quick sandwich for lunch.
02
to cause a woman to become pregnant
Informal
OffensiveExamples
He knocked her up and then left her to raise the child on her own.
03
(in tennis) to warm up for a match by hitting a few balls back and forth for a short time
Examples
The tennis players knocked up for a few minutes before the start of their match.
04
to wake someone up by gently banging on their door
DialectBritish
BritishExamples
He knocked me up at six o'clock in the morning to go fishing.
