flareback

/ˈflɛrˌbæk/
noun
  1. A sudden burst of flame or hot gas that comes back toward the person who caused it, especially from a gun or furnace.
    • A flareback from the furnace singed the mechanic's eyebrows.
    • The soldier ducked to avoid the flareback from the cannon.
    • The old rifle produced a dangerous flareback when fired.
  2. A sudden, angry response or backlash to a comment or action.
    • The politician's speech led to a flareback of criticism on social media.
    • His joke about the boss caused an unexpected flareback from the whole team.
    • She was surprised by the flareback of anger from her friends after she made that remark.