Related Clues:

• Caught you!
• Palindromic exclamation
• Laugh at derisively
• That's a laugh
• Comedy club sound
• Sound of cracking up?
• "Well, what do you know!"
• Hiss at
• 'Really, now!'
• 'Very funny ... not!'
• "Just as I thought!"
• Cry of revelation
• Express disdain
• Pun response
• Response to sarcasm