explosion

noun3

1. •
   a sudden event in which energy is set free, making a loud bang and throwing things apart

   • A man was injured by an explosion caused by drilling into a missed shot at the Mendota mine above Silver Plume, Colo. — 1913
2. •
   A sudden, uncontrolled or rapid increase, expansion, or bursting out.

   • Her image is supposedly rebellious, but she looks scrubbed and healthy, with an explosion of blonde hair and generous curves shoved into too-tight clothing. — 2005
3. •
   The sound of an explosion.