The name combines ga zhua, Taiwanese slang for cockroach, with a long drawn out ai wail, and the clip circulates on soundboards as a short reaction audio. Its exact recording source is not documented, so its life has mostly been online, shared between meme pages, chat groups and short video edits. Users reach for it when a small scare or setback needs to sound huge, and its simple cry makes it easy to reuse across languages without explaining the joke first at all for new viewers everywhere.