exploder

noun5

1. •
   Someone or something that explodes.
2. •
   A person who directs their anger outward.
3. •
   A device to trigger explosive detonators such as a plunger or crank operated electrical generator.
4. •
   A device to trigger explosions in torpedoes.
5. •
   (no longer used) One who rejects an opinion or scheme with open contempt.