Board Thread:Warhammer 40k General Discussion/@comment-86.186.232.255-20130517161917/@comment-14745711-20130825000143

Cool Dude 57 wrote: A sin to Slaanesh would probably be not enjoying yourself.

No a sin too Slaanesh is probably not experiencing unwholesome pleasures. Though I suppose you'd have to ask him/her/it yourself if you wanted to be sure. Good luck with that :3