This clip circulates online under the simple name weff, with its file credit listing Taira Komori, a creator associated with short free sound effects shared for editing use. At just under two seconds, the sound spread the way many tiny effects do, through soundboards, reuploads and video edits where a name is less important than timing. It survives because it is flexible, fitting reactions, parodies and deadpan cuts without tying a project to a specific film, show or character reference that viewers need to recognise first.