The line comes from the Queen of Hearts in Lewis Carroll's 1865 novel Alice's Adventures in Wonderland, where she orders executions for the smallest offences. Disney's 1951 animated film made Off with their heads her best known catchphrase for audiences worldwide, including in Portuguese dubs as Cortem as cabeças. The clip circulates online as a reaction sound for mock outrage, strict rules and playful boss energy, because generations already associate the phrase with a ruler who loses her temper instantly.