Related Clues:

• Hi-tech guffaw
• On-line guffaw
• Donkey syllable
• Texter's roar
• SMS interjection
• 'IMHO, that's hilarious'
• Texter's titter
• IMer's "How funny!"
• 'You're killing me,' textually
• 'U crack me up!'
• "OMG, too funny!"
• More than te-hee, online
• 'U just got pwned'
• "U just got pwned"
• IM giggle