In Roald Dahl's "The Witches," the narrative revolves around a young boy who encounters real witches, who are disguised as ordinary women. These witches despise children and plot to eliminate them. The story is filled with humor and suspense, showcasing the boy's cleverness and bravery as he navigates the dangers posed by the witches.

The quote, "An idiotic vitch like you must rrroast upon the barbecue," reflects the sinister tone of the witches and their contempt for children. It captures the witch's malicious intent while also highlighting Dahl's playful language. This line serves to emphasize the dark humor that permeates the book, making it a memorable and engaging read for young audiences.