Related Clues:
- Extinguish, as coals
- Engine valve
- Be in need of the Heimlich maneuver
- Fail in a crisis
- Cover thickly, as with onions
- Asphyxiate
- Collapse under pressure
- Old auto control
- Fail under pressure
- Air-supply valve
- Fail because of nerves
- Require the Heimlich maneuver
- Overdress, maybe
- Carburetor valve
- Kill by depriving of air