Related Clues:
- Steering wheel adjunct
- Signal from an impatient motorist
- Impatient driver's attention-getter
- Something to blow
- Instrument you blow
- A bugle, for one
- Tuba or trumpet
- Traffic jam noise-maker
- Sound that signifies the end of a basketball game
- Crescent moon horn
- Virgo-Libra point
- "Dinah, blow your ___!"
- Semi warning
- Inflection point
- It may be heard on the street