Da bian is the everyday Mandarin Chinese term for poop, and this short clip takes its name directly from that word. No specific film, show, game or viral video is attached to it in the available information, so it is best understood as a labelled sound effect rather than a quotation. Online, short clips with blunt, recognisable names like this are saved for quick meme edits, reaction videos and pranks, where a single familiar word can carry the joke. Its appeal is practical: it is easy to find, easy to place and instantly understood by anyone who recognises the term.