The exact source of this specific 'doei' clip is unclear from the available details, but it fits a long-running style of short farewell audios shared in chats, memes and reposted soundboards. 'Doei' is a very common informal goodbye in Dutch, which makes the clip easy to reuse in reaction edits and message-based jokes. Its staying power comes from how fast and readable it is: one word can close a scene, end an argument, or turn a simple cut into a joke.