shakingup

noun
UK /ˌʃeɪkɪŋ ˈʌp/
US /ˌʃeɪkɪŋ ˈʌp/

A shaking up is when something gets mixed or moved around a lot so it changes.

The new teacher gave the class a real shaking up with fun games every day.


OTHER MEANINGS

2. The act of mixing something by moving it quickly back and forth.

A good shaking up of the bottle makes the juice taste better.

3. A big change that makes people or things feel fresh and new.

The team needed a shaking up after losing so many games.

4. A sudden shock or upset that makes someone feel wobbly.

The loud thunder gave the puppy a shaking up.