Related Clues:

• Sound nostalgic
• Gasp like a man in gym
• Sound despairing when spectacle fails to end
• [That's so ... sad]
• Lugubrious sound
• Audible breath expressing weariness
• [It's hopeless]
• 'OK, whatever' noise
• Quiet "alas"
• Gasp, dog-style
• "Well, whatever" exhalation
• 'Heaved' sound
• Sound of exhaustion
• Respire like a dog
• Wheeze from soft six-footer