Yes! Me, my husband and one of my brothers, when we get together are shocking with our humour. I am always finding innuendos in what people say. Don't be surprised if you say something and I quietly snigger to myself. In fact I would say that I have perverted my husband's mind more than it was when I met him (or maybe I taught him how to vocalise those thoughts he already had lol.)
Re OP, I have never watched a porn movie, and I hate extremely violent/ horror type movies. That said I like movies with sexually charged scenes. Some of the nip/tuck episodes had some good ones :wink: The movie "40 days and 40 nights".
I consider my mind neither clean nor dirty. Sometimes dirty things can excite me, sometimes they repulse me. I don't think any of the examples in the OP though would be the type of dirty that may excite me.