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knock up Verb

1. Also: (knock together) Informal to make or assemble quickly: my boyfriend can knock up a wonderful lasagne

2. Brit informal to waken: to knock someone up early

3. Slang to make pregnant

4. to practise before a game of tennis, squash, or Badminton

Noun

knock-up

a practice session at tennis, squash, or badminton

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15y ago
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15y ago

Its before the match starts 'for real'. Players 'knocking' the ball back to each other for warm-up / practice.

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15y ago

A warm up or short training session.

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Q: What does it mean to knock up in tennis?
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