In my mind they are independent. It's classy vs trashy and slutty vs prude. To add to that, if you think slutty=sexual=dirty, then can you be classy and dirty? Anything sexual is always at least a little "dirty", and in my opinion has to continually be getting dirtier as time goes on. I think slutty means that you're actively seeking out sexual experiences and class and classiness has to do with style, elegance, taste, refinement, beauty. I definitely think a classy person couldn't do everything that is slutty/dirty, i.e. bestiality or 2 girls 1 cup 😂. Also, slut in my opinion does not automatically mean that you sleep around though, because you could be slutty and monogamous. Whaletails can definitely be either trashy or classy, but they're always slutty (aka required)