Related Clues:

• Express contempt
• Punch-line reaction
• "So there!"
• "A likely story!"
• Skeptical exclamation
• Sound from 9-Across
• Hearty laugh
• Minimum amount
• Derisive sound
• 'That's hysterical!'
• "Not a chance!"
• "That'll show 'em!"
• Chuckle
• Yuk
• 'This tastes awful!'