Burp sounds have long been a staple of slapstick comedy and cartoon humour, where an exaggerated belch works as an instant signal for rudeness, gluttony or a lack of self-control. On soundboards and in short-form video, this kind of clip spread because it needs no context or language to be understood, making it easy to drop into memes, pranks and reaction edits. Its popularity has lasted because the joke is universal and immediate, and a well-timed burp still breaks tension in a way that feels silly rather than mean-spirited.