burst out of (somewhere or something)

1. To flow out of something suddenly or with great force, as of a liquid. Water is bursting out of this pipe, and I can't get it to stop! Just as the experts had predicted, floodwaters eventually burst out of the dam. Turn around! A ton of water just burst out of the main up ahead!

2. To suddenly become visible. After so many gray days, we were thrilled when the sun finally burst out of the clouds. A rabbit burst out of the bushes and startled me. A: "Why did you scream?" B: "Well, I wasn't expecting a bee to burst out of the flower and fly into my face!"

3. To leave a place abruptly and energetically. After our argument, Caitlin burst out of the room in a huff. The kids burst out of school cheering on the last day before summer vacation. Make sure that gate is closed, or Rover will burst out of the yard.