knock up

British  

verb

1. Also: knock together.  informal to assemble quickly; improvise

   to knock up a set of shelves

2. informal to waken; rouse

   to knock someone up early

3. slang to make pregnant

4. informal to exhaust

   the heavy work knocked him up

5. cricket to score (runs)

6. (intr) tennis squash badminton to practise or hit the ball about informally, esp before a match

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noun

1. a practice session at tennis, squash, or a similar game

knock up Idioms  

1. Make pregnant, as in The young girl said she was afraid of getting knocked up . [ Slang ; early 1800s]

2. Injure or damage, as in This coffee table got all knocked up in the moving van .

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Example Sentences

"Almost anyone can knock up a batch of scones, or fairy cakes, or a decent Victoria sponge, or even a Christmas cake without too much effort," Cloake said.

From Salon • Dec. 10, 2022

The current promo makes for an excellent collection of discounts, but if you have an eligible device to trade in, you can also knock up to an additional $450 off your purchase.

From The Verge • Apr. 16, 2022

Forecasters warn that with no resolution, the conflict could knock up to 0.5 percentage points off global growth through 2020.

From Fox News • Dec. 28, 2018

If app-store commissions fell to a blended rate of 5 to 15 percent, that would knock up to 21 percent off estimates of Apple’s earnings, before interest and tax, by fiscal 2020, Macquarie estimated.

From Seattle Times • Aug. 26, 2018

Here, Beta Moshi, cut a couple of young trees and knock up a ladder.

From Wilmshurst of the Frontier Force by Prater, Ernest