bounder
/ˈbaʊndər/
noun
- A person who behaves in a rude, dishonest, or socially unacceptable way, especially a man.
- Everyone at the party thought he was a bounder because he kept interrupting people.
- She called him a bounder after he broke his promise without apology.
- In old novels, a bounder is often a character who cheats at cards.