I don't approve of coarse and vulgar language. If it is used in my classroom that student is asked to leave. If my children used (when they were younger) it they would get their mouiths washed out with soap or dosed with castor oil.
Expletives have has no purpose as far as I'm concerned. It's not even eredeeming when people try to use it artistically like in a movie. I don't swear, I don't say those words or anything like them ever. I don't like hearing them either. Not only does it shows is a disrespect for whoever you are talking to but is shows a disrespect for yourself.