This belt smack is a generic sound effect rather than a clip from a named film, show, or viral video, and its appeal comes from that familiarity. Belt cracks have long been used in comedy to signal discipline, a scolding, or a sudden comeuppance without showing anything graphic. On soundboards and in short-form edits, the short whooping version spread because it is instantly recognisable and easy to drop onto almost any failed stunt or caught-in-the-act moment. That flexibility keeps it in regular rotation for prank and reaction creators.