The line comes from The Simpsons, the long-running animated sitcom about the Simpson family in Springfield, where Joe Quimby serves as the town's smooth-talking mayor. Like many short clips from the show, it was lifted from an episode and shared on soundboards and social media as a reusable reaction sound. Its popularity comes from the contrast between Quimby's polite delivery and the blunt threat, a joke that also fits alongside other Springfield voices such as Homer Simpson. Fans keep using it because the character is instantly recognisable.