Comment by daveslash

RE>> Because "yeah, that's a slipper" doesn't pass muster.

[Justice Potter Stewart has entered the chat]: "I know it when I see it". "I shall not today attempt further to define the kinds of material I understand to be embraced within that shorthand description ["hard-core pornography"], and perhaps I could never succeed in intelligibly doing so. But I know it when I see it, and the motion picture involved in this case is not that" https://en.wikipedia.org/wiki/I_know_it_when_I_see_it