Online "Very funny!"

• "U so funny"
• "Wow, that's 2 funny!"
• "OMG, I'm cracking up!"
• Text abbreviation similar to "ROFL"
• "OMG that is funny"
• Response to a funny tweet
• "Hilarious!," in a text
• "lol," escalated

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