The origin of this specific recording is not documented, so it is best known through its use as a short reaction sound on soundboards and in short form edits. The repeated Chinese style syllables in the search terms, including variations with hou, show how listeners try to spell the vocalisation when looking for it again. Its brevity makes it easy to share, save as an MP3 and reuse across chats and videos, where it functions as a playful vocal punctuation mark for surprise, teasing and exaggerated disbelief.