Apple Pay is Apple's contactless payment service for iPhone and Apple Watch, and its success chime has become one of the most recognisable payment sounds in everyday life. As tap-to-pay spread through shops, cafes, and public transport, the short ding started appearing in social videos as shorthand for spending, treating yourself, or flexing a purchase. Creators reuse it because almost everyone recognises it instantly, even without seeing a phone, and that instant recognition makes a simple transaction feel like a small event.