Related Clues:
- Hissing sound
- Draft letters
- Flat tire indicator
- Sound of a flat
- Go ___ (fizzle)
- Sound after a pinprick, sometimes
- Nutritious breakfast, lunch and dinner, informally
- Lottery runner: Abbr.
- Snake's sibilant sound
- Object of 60's protests: Abbr.
- Sound after a pin prick, perhaps
- Disapproving sound
- Flat sound?
- Up in smoke
- Punctured ball sound