The sound imitates the bell and drawer of an old mechanical cash register, a noise that became shorthand for money in cartoons, comedy sketches, and game shows long before it reached short-form video. Online, creators adopted it as a quick audio cue for profit, success, and smart deals, and its brevity makes it ideal for TikTok edits, reaction clips, and meme compilations. Because almost everyone recognises the chime instantly, it still works as a universal signal for getting paid without needing any explanation.