Other forms: pulled out all the stops
When you pull out all the stops, you do everything you possibly can to make something happen. Your theater club might have to pull out all the stops to get your play ready for opening night.
Every player on a basketball team has to pull out all the stops to win a challenging playoff game, and a preschool teacher might have to pull out all the stops almost daily to keep his class interested and happy. This phrase comes from the pipe organ: when a player pulls the organ's stops out, more air flows through the pipes and the volume increases. Pulling out all the stops would result in extremely loud, energetic music.