The original rainbow herb items have been on site longer than I've been on staff (and many others at that). They're perfectly fine, as are the hookahs (which can be used to smoke perfectly legal substances). We allow pet stories that involve drug use/other "questionable" activities, and dressing up your fictional avatar with a nice rolled herb blunt is just fine.

The "Illegal acts or activities" rule is one that does have a lot of room for interpretation, but it also feels like it should be a pretty clear "use your best judgement" area. For example, don't write in the shoutbox about how you got super high on crack, or your meth lab, or how you went on the dark web and stole 300 credit cards, or how you think it's cool you got your 15-year-old underaged cousin intoxicated at a wedding,

[edit] fwiw I don't write the rules myself, but I can see about getting some specific clarification if it really seems needed. I personally think it's pretty obvious that we mean don't discuss all the illegal things you did in the shoutbox/forums/comments, as that stuff is better off-site (and why would you want to advertise that, anyway?), but I know just because it feels obvious to me doesn't mean it is to everyone!