First used in 2009 to describe the behaviour of a certain red-headed Facebook group memeber who, upon reading a post about a "humourless ranga", launched into a fullscale meltdown: creating many fake accounts to spam the group with pornographic images to get the group shut down.
When it was pointed out that the 'ranga' post was written 6 months before he joined or knew the author, he announced that he was "trolling". Legend has it that the word "Gotcha!" was even used.
When this explanation didn't fly with one particularly savvy group member, the
Cry Troll launched a one-man (and many fake accounts) attack on her, even making up a Facebook hate group in her honour - giving rise to the expression: Facespook.
"Settle down dude. That wasn't about you. Check the date."
"Oh. GOTCHA! I was only TROLLING!"
"Sure you were dude. Well done. Cry Troll - good strategy. So long as you're calm now that's the main thing."