Related Clues:

• Response to sarcasm, perhaps
• 'I like it!'
• 'Stop! You're killing me!'
• 'What a comic!'
• Easy mate?
• Not naughty
• Genial
• Tee-hee relative
• "That's funny!"
• Guffaw components
• Pun reaction
• Ditch with a retaining wall used to divide land
• ''Well done!''
• Routine reaction?
• Comedy-club sound