Related Clues:

• Tee-hee relative
• "That's funny!"
• Guffaw components
• Pun reaction
• Ditch with a retaining wall used to divide land
• Routine reaction?
• Comedy-club sound
• ''Very funny!''
• "Impressive!"
• "Well done"
• "The joke's on you"
• "Very funny"
• Punchline response
• Laugh syllables
• LOL, spoken