Related Clues:

• Whistle sounds
• Car horn noise
• Horn beep
• Trolley warning
• Blow your horn
• Car-horn sounds
• ___ and the Maytals
• Whistle blast
• Driver's nonverbal 'hello'
• Tugboat noise
• Short blast of a whistle
• Hits a bicycle horn
• Train-whistle sound
• Whistle-blower's sound
• Tugboat's call