SFWTF
A third category alongside SFW (safe-for-work) and NSFW (not-safe-for-work) for objects or pictures that are so fucked up, you can't even tell if they're SFW or not.
Guy 1: Hey man, check out this pic!
Guy 2: ohmygod, what are they DOING with that donkey!? SFWTF????
Guy 2: ohmygod, what are they DOING with that donkey!? SFWTF????