Related Clues:

• Alternative to :-)
• Online ha-ha
• 'U R so funny' alternative
• Cyberyuk
• "I'm chuckling audibly," in email
• "OMG ur 2 funny"
• "Ha-ha," in email and texts
• Audibly amused, online
• [I crack myself up]
• Texter's "What a riot!"
• Fifty-fifty to catch Frisbee when laughing out loud
• 'Very funny!' in modern shorthand
• 'That's hilarious!' in cyberspeak
• 'Very funny!' in a text
• Palindromic bit of textspeak