Related Clues:

• Pun product
• Corny joke reaction
• Complain, so to speak
• Wordless 'Ouch!'
• Show displeasure
• This might follow a bad pun
• [That's an old one!]
• Punster's reward
• What a lame joke might elicit
• Music to a punster's ears
• Moan and __ (complain)
• Moan
• Sound of pain or disapproval
• The sound that sounded as if it had got bigger
• That sounds as if it's got to be Pa in here