“It’s taboo, occasionally forbidden and often cathartic. Swearing – once scandalous and vulgar.
Cursing’s recent movement from the fringes of society into the mainstream means that it’s finally being examined by some sociolinguists, although they’re still nowhere near understanding everything about it. Researcher and linguist Ruth Wajnryb takes “a good look at bad language” in her 2005 book Expletive Deleted, and linguist Steven Pinker devotes a chapter to the theories and functions of swearing in his latest work, The Stuff of Thought.
Both writers point out the major problem with writing about obscenities: no one’s really bothered to study them, despite how prevalent they are in our language today.”