Related Clues:

• Tee-hee relative
• "That's funny!"
• Guffaw components
• 'I begin to see the truth!'
• Pun reaction
• Ditch with a retaining wall used to divide land
• Routine reaction?
• "I thought so!"
• Sleuth's cry
• Comedy-club sound
• "Gotcha!"
• 'Lookee here!'
• 'So that's what you're up to!'
• Cry of amused surprise
• ''That's your game, eh?''