Related Clues:
- Sound from an angry cat
- Deflating sound
- Cobra's greeting
- Sound of water hitting a hot frying pan
- Leak indicator, maybe
- Lottery holder, once: Abbr.
- Show displeasure
- Pressure cooker sound
- Org. that registers 18-to-25-year-old males
- Vocal thumbs down
- Sign of a leak
- Air leak sound
- Sound from a frying pan
- Sign of an escape, perhaps
- Evidence of a leak