Related Clues:

• Sound of a spit take
• 'Well, that's ridiculous!'
• Hardly a sound of success
• [It vanished!]
• Sound of vanishment
• [scoff]
• 'You can't expect me to believe that!'
• Fizzling noise
• Sound of dismissiveness
• Spit take sound
• Deflating balloon sound
• '... and it flopped'
• "Hah, right!"
• 'Oh, please!'
• (Yeah, right!)