Text abbreviation similar to "ROFL"

• "OMG, I'm cracking up!"
• Response from a greatly amused texter
• "Hilarious!," in a text
• "U so funny"
• "u r so funny!"
• "That's hilarious," in texts
• "OMG that is funny"
• "This tweet is hilarious!"

Wiktionary Word definitions in Wiktionary
init. (context Internet slang English) (alternative case form of LMAO English)