Related Clues

• Netizen's "That's hysterical!"
• "I'm hysterical!" in netspeak
• Texter's response to a hilarious joke
• It's somewhat stronger than LOL
• Modern response to hilarity
• Texter's expression spelled out by the starts of 18-, 28-, 46- and 59-Across
• Texter's guffaw
• Internet guffaw
• Response to being slain, in texts?
• "That's hilarious," in Internet-speak
• Texter's "Hilarious!"
• Texter's "That's hysterical!"
• "2 funny!!!"
• "Hilarious!," briefly
• "Hilarious!," online
• "I'm in hysterics," online
• "UR hysterical"
• Not just "ha ha"
• "That's hilarious!," in a text
• [omg haha!!]