Related Clues:

• Palindromic horn sound
• Drinking binge
• Train whistle sound
• Blow one's own horn?
• Whistle sound
• Jag
• Attention-getting sound
• Drinker's spree
• Blow a bugle
• Honk
• Traffic sound
• Tugboat signal
• Hit the horn
• Use the horn
• Gridlock sound