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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
Example
I knocked up a quick sandwich for lunch.
She knocked up a few sketches for the new product design.
02
to cause a woman to become pregnant
Informal
OffensiveExample
He knocked her up and then left her to raise the child on her own.
She 's worried that she might be knocked up after that one-night stand.
03
(in tennis) to warm up for a match by hitting a few balls back and forth for a short time
Example
The tennis players knocked up for a few minutes before the start of their match.
The coach told the players to knock up before starting their practice drills.
04
to wake someone up by gently banging on their door
DialectBritish
BritishExample
He knocked me up at six o'clock in the morning to go fishing.
I knocked up my friend for work.
