Shake Up

1. To mix something in a container by shaking it.

Examples: Pour the powder in the water, and then shake it up real good before drinking.
The bartender is shaking up the drink to the beat of the music.

2. To upset, shock, or frighten someone.

Examples: The baby was shaken up by the thunder and lightening.
The news about Aaliyah’s death really shook up her fans.

3. To make major changes in a business or organization, especially to make improvements.

Examples: The change in management shook things up, giving the company a huge advantage in the industry.
The music industry really shook up the game by infusing Pop with R&B.

See our complete list of English phrasal verbs.