get one’s ass in gear

(verb) hurry up

Example Sentences:

You’d better get your ass in gear if you don’t want to miss your bus!

Son: Mom, I want to go outside and play!
Mom: Get your ass in gear and finish your homework and then you can go outside.

Roger got his ass in gear when he realized he was 10 minutes late for his flight to Amsterdam.

The Coach said Martin had to start getting his ass in gear if he wanted to be on the team.

From the Blogs:

You better get your ass in gear Mr. Oppal, and fast

Media:

Similar idioms:

1. kick some ass
2. you bet your ass
3. bust one’s ass
4. make an ass of oneself
5. touch on
6. coach
7. smart ass
8. put one’s ass on the line
9. ass