Definition of shake-up in English:
A radical reorganization.
- It won the 1990 elections, and immediately carried out a radical shake-up of the country's welfare system by creating the first ‘post-welfarist’ society.
- Now it will be left to President-elect Bush to propose a radical shake-up of social security, allowing younger workers to partially opt-out of the system and put some of their savings into the stock market instead.
- His departure comes at a time when the Federal Government is considering a radical shake-up of the Family Law system.