Very little is known about Zszxzxz beyond the details attached to the upload itself: a four-second clip, filed under the title test1, with a small number of plays and no artist credit, tags or description that would identify a film, show, game or performer. That presentation suggests it reached the soundboard as a test or placeholder rather than as a recognised meme, and it has not gathered the kind of widespread sharing that would give it a history. Online, short untitled clips like this tend to survive as sounds, kept for checking playback, timing a cut or filling a gap.