actually, tell them to pund fucking sand & go fuck themselves.,,
FACT.. BLOX is a damn video game,,
tell them the domain was originally a website about the game, but since the game is widely available for free now, that the domain was changed to adult.
Or something,, There's definitely a way out of this,, you just need to do your homework, starting with the word blox
http://www.google.com/search?hl=en&q=blox