iconify Hey Scott! Good call. I added NSFW in the title of this post, so that people know and don't accidentally see something that makes them uncomfortable.
To your question, there are definitely many degrees for this type of icons. And there will surely be customers for all degrees.
On Iconfinder, we also have them in a separate category that we have also labeled NSFW and they are not shown to users who do not specifically search for them. We are looking at a better way to separate these so that they are easily discoverable, but shown only to customers that are interested in them.
About the degree of explicitness you should go for, I think you should most importantly be drawing what you are personally comfortable with. However, I do not think we have any defined policy about these. I need to talk with @MartinLeBlanc and @CristianBogdanRosu about this. I agree that they should not be demeaning, abusive, or non-consensual. Let me talk to the team about this first. 🤔