Is It Rude To Call Someone An Uncultured Swine?

Is It Rude To Call Someone An Uncultured Swine? It’s an insult. Traditionally, the pig/swine has been associated with uncleanness since ancient cultures. To be called uncultured by someone means the insulter is disparaging another’s lack of knowledge and/or social graces. The term uncultured swine is a two-pronged insult. What is meant by uncultured swine?