Whenever you see a Slutty Girl and a Redneck having sex in the woods where a Scary Monster is lurking, you know something bad is about to happen. Add a Naughty Santa's Helper outfit, and you've got Maximum Wrongness. NSFW?
Were Species 2's nipple tentacles not enough for you? In that case, there's always Thralls aka Blood Angels, which features ultra-convincing CG snakes coming out of a woman's breasts and biting a man in the neck. It's just possibly NSFW.
When a zombie stripper offers you a "private" lapdance, you may want to think twice, if this can't-believe-they-went-there clip from Zombie Strippers is any indication. Nothing is more disturbing than horror sex. Here are 38 NSFW clips to prove it.