The McDonald's register beep is instantly recognisable from checkout counters, which is why creators began distorting it into a louder, harsher version for online comedy. On soundboards and short-form video platforms, the distorted version circulates as a standalone meme clip rather than as part of any official advertisement or song. Its appeal comes from familiarity turned up too far: everyone knows the original sound, so the exaggerated version feels funny in burger reviews, fast-food skits and reaction edits, keeping it in regular use for fast-food jokes and reaction videos.