Related Clues:
- Not asleep on the job
- Cheater's sound during a test
- Hushed "Hey!"
- ''Hey!''
- It ain't quite "Hey!"
- ''Hey!'' in a library
- Covert sound
- Signal from a man in a trenchcoat
- Subtle ''Hey you!''
- Storm posting, e.g.
- Warning notice
- Low-key ''Hey!''
- Sibilant attention-getter
- Like a sentry
- '___! Pass it on ... '