Related Clues:

• Response to a gag
• Bit of feigned laughter
• Joke response
• 'Funny!'
• Theme of the puzzle
• ''Turnabout is fair play!''
• ''Serves you right!''
• 'That's a laugh!'
• Comic's feedback
• Sunk fence
• Bit of a giggle
• Gag reflex?
• Part of a guffaw
• Hardy follower
• It's a laugh