Ga Zhua comes from the Taiwanese Hokkien word for cockroach, which is why clips with this name often appear in joke and meme sound collections online. The B open label suggests this is one short variant from a set, kept separate so editors can grab just the opening moment. With almost no context inside the clip itself, it has spread mainly through soundboards and short video edits, where users search for the exact name, save the cue they need, and reuse it as a quick comic accent.