Related Clues:

• Derisive comeback
• Punch-line reaction
• "Ver-r-ry funny!"
• Sound of feigned amusement
• 'That's hysterical!'
• Yuk
• Sounds of laughter
• Laugh track refrain
• That's a laugh
• Comedy club sound
• Sound of cracking up?
• 'Very funny ... not!'
• Pun response
• Small laugh
• Music to a comic's ears