1. to do everything you can to make something successful; to do something as enthusiastically as you can

1. They pulled out all the stops for their daughter's wedding.

2. The kids pulled out all the stops and organized a really great party.

3. The company pulled out all the stops to advertise their new product.

4. When he throws a party, he really pulls out all the stops.

5. The mayor decided to pull out all the stops and campaign in every district.