Meaning ofblowbackin English

Noun

1. an unintended negative consequence; covert actions
   The company faced severe blowback after announcing the layoffs.
2. unplanned adverse outcome; political decisions
   The politician's blowback from the scandal forced her to resign.
3. mechanism where pressure extracts a cartridge; firearms
   The revolver's blowback mechanism made it unreliable for hunting.
4. act of exhaling into another's mouth; smoking
   Smoking enthusiasts warned about the dangers of blowback when sharing a joint.