Related Clues:

• 'That's rich!'
• "I get it, but ..."
• Gag response
• LOL, out loud
• 'LOL!'
• "The joke's on you!"
• 'Look at the loser!'
• 'Loser!'
• Crack reaction
• A comic reaction?
• 'Good one'
• Joke reaction
• Sounds of glee
• Laugh-track snippet
• Catchphrase for Nelson on 'The Simpsons'