Personally, the way you swear says a lot about you as a person. Like a lot of people pointed it out before me here, it's based on your level of intellect, just like the use of any other type of word. If you just say "uhh... nigger." at everyone you midly dislike, of course people will find you lacking in the vocabulary department. There are so many words in the english, so learn new ones and use them at your discretion. Trashtalking is a skill.
Learn to swear like a pro. Nusoiedgelords.