“Won’t answer a word you say long as you keep on mockin’ me.”…”Long’s he keeps on callin’ me ma’am an sayin’ Miss Mayella. I don’t hafta take his sass, I ain’t called upon to take it.”

– Harper Lee

To Kill a Mockingbird, Chapter 18. Mayella Ewell is a young woman who is not used to good manners. When Atticus calls her “Miss Mayella” or “ma’am” during questioning at Tom Robinson’s trial, she thinks he is mocking her.