blowback

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English[edit]

Etymology[edit]

blow +‎ back

Noun[edit]

blowback (plural blowbacks)

  1. (firearms) A type of action where the pressure from the fired cartridge blows a sliding mechanism backward to extract the fired cartridge, chamber another cartridge, and cock the hammer.
  2. An unintended adverse result, especially of a political action.
  3. (slang) The act of shotgunning (inhaling from a pipe etc. and exhaling into another smoker's mouth).