Contactless payment terminals have used short confirmation tones since tap to pay became common in shops, transport and cafes, and this beep is that familiar everyday signal rather than a clip from a film or television show. Creators began reusing it in short-form videos because audiences instantly recognise it without any explanation, turning a routine checkout into a quick visual joke about spending, wealth or impulse buying. Its staying power comes from that shared real-world experience, as contactless payments remain part of daily life.