Related Clues:

• 'This cat picture you IM'd me is hilarious!'
• 'That's funny!,' in an e-mail
• Cyberspace guffaw
• Online display of amusement
• Chat room ''That's a riot!''
• Cyberchuckle
• IM delight
• Online "Lordy!"
• Cyberspace ''Ha-ha!''
• Cybercackle
• Chat room "Holy cow!"
• Not quite ROTFLMAO
• Cyberroar
• Ha-ha, nowadays
• Text te-hee