Little is documented about where Donki first came from, so its life online is mostly as a shared soundboard clip rather than one tied to a confirmed scene. Users pass it around under its short, searchable name and drop it into edits where a silly, non-specific reaction is needed. That flexibility is why it keeps circulating in anime and meme communities, where a five second nonsense sound can caption embarrassment, surprise or a failed plan without needing dialogue, subtitles or setup for new viewers watching.