The phrase "get/put your skates on" means to hurry up or to start moving quickly. There are several synonyms for this phrase that can be used interchangeably, such as:
1. Get a move on
2. Put some pep in your step
3. Buckle up
4. Move it
5. Quick march
6. Step on it
7. Move quickly
8. Hustle
9. Hurry it up
10. Speed it up. By using these synonyms, you can add variety to your language and express the urgency of the situation more effectively.