Violence:
- The Thunder Rolls by Garth Brooks - Talks about revenge for domestic violence.
- Ol' Red by Blake Shelton - A song about killing, escaping prison, then outsmarting the law
- Beer for my horses by Toby Keith - Talks about taking justice into your own hands
- A country boy can survive by Hank Williams - Threatening gun violence
- Kerosene by Miranda Lambert - About burning down the house of an ex.
- Goodbye Earl by the Dixie Chicks - Killing a violent husband
Whoring yourself:
- Liza Jane by Vince Gill - About a guy whoring himself out to get a rich woman
- She's got the goldmine (I got the shaft) - Jerry Reed - Same as above
- Body like a back road by Sam Hunt - About sexual freedom and objectification from the male perspective
- Red High Heels by Kellie Pickler - Using sex for power
- Follow your arrow by Kacey Musgraves - "Kiss a lot of boys or kiss lots of girls if that's something you're into".
Lots more examples on the list, but I don't think I need to bother any further. The world of music is wide, and will touch on every subject no matter the genre. Just because the country you don't personally listen to is cutesy and clean doesn't mean it's not out there.