Related Clues:

• Tugboat signal
• Barfly's binge
• When repeated, the Road Runner's cry
• Hit the horn
• Use the horn
• Gridlock sound
• Blow one's horn
• Blow a note
• 'Out of my way!' indicator
• Horn's sound
• Gridlock noise
• Toy train sound
• Traffic noise
• Train sound
• Drinking spree