Related Clues:

• Motorist's protest
• 'Out of my way!' indicator
• Lovelorn utterance
• Plaintive sound
• Gridlock noise
• Unuttered 'alas'
• Express relief
• ['Tis a pity!]
• Breathe heavily
• Weary sound
• Sound of impatience
• Bit of urban noise
• Toot one's horn
• [Ah, me]
• One may be heaved