The phrase comes from The Simpsons, where Apu Nahasapeemapetilon, the owner and clerk of the Springfield Kwik-E-Mart, says it to customers as they leave his shop. Repeated across many episodes, it became shorthand for cheerful, slightly over-polite service and for the show's take on convenience-store culture. Clips of the line later circulated on soundboards and in short videos, where creators reuse it as an instant goodbye punchline. Its staying power comes from that recognition: even a two-second clip signals the end of a transaction.