Related Clues:

• Intercom sound
• Drinker's spree
• Grieve (for)
• Blow a bugle
• What taxis do
• Traffic jam noise
• Pager signal
• Part of the city cacophony
• Road Runner's taunt halved
• Gander's message
• Honk
• Traffic sound
• Tugboat signal
• Cry softly
• Show impatience in traffic