Related Clues:
- Sleep preventer
- Persistent noise
- Cause of hearing loss
- Really bad music, to the listener
- Half of junior's meal?
- Loud noise
- When repeated, meal for the pets
- Librarian's bane
- It's often made to get attention
- Sleep threatener
- Loud sound
- Feature of city life
- Confused noise
- Strident noise
- Kipling's "Gunga __"