Related Clues:
- One-named rock star
- Hiss accompanier
- Depressing darkness
- Blast from the bleachers
- Raspberry relative
- React to a bad call
- Heckling holler
- Moroseness
- "Bad call, ump!"
- A shout of disapproval
- Obscurity or melancholy
- Sound made to show disapproval
- Sound made to show disapproval or contempt
- Exclamation to startle
- Shout of disapproval, maybe at ref