swarm out of

swarm out (of something or some place)

To move out (of some place or thing) very quickly and in great numbers. Students swarmed out the moment the final bell of the year rang. Bees began swarming out of the hive after we accidentally hit it with a baseball.
See also: out, something, swarm

swarm out of something

to move out of something in great numbers. The bees swarmed out of the hive. People swarmed out of the park at the end of the game.
See also: of, out, swarm