Related Clues:

• Horn sounds
• Tugboat blast
• Sound of impatience
• Drivers' warnings
• Palindromic sound effect
• Noisemaker noise
• Restaurateur Shor
• Jam chorus
• Horn note
• Sound from a jam
• Toots the horn
• Play on pipes, palindromically
• Hits the horn
• Car-horn sound
• Honks