Meaning

2 senses
  1. A hand grenade that produces a very bright flash and a loud explosion, but no shrapnel and minimal explosive force, to disorient the target.

  2. A sudden bright flash of light.

Origin

From flash + bang. From the bright flash of light and loud bang (a concussive shockwave of

From flash + bang. From the bright flash of light and loud bang (a concussive shockwave of sound) generated by this device.

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flash-bang — meaning, examples, forms, synonyms | Krumeto