Arthur's dick isn't a person. It just happens to belong to Arthur.

Nancy rolls her eyes at his trick, which was exactly the same as one of her standards. But hey, it made things a whole lot easier, especially when you were trying to deal with at least ten boys at the same time. Her brothers- she was talking about her brothers.

Nancy doesn't let him get away with that quite so easy. "You know I can and will ask you to leave," she warns him. She wouldn't do that. Probably.