Online, short name clips like Zuzu spread because they are easy to recognise, easy to reuse, and instantly readable even without context. Creators lift a single spoken name from a longer moment and turn it into a reusable reaction, dropping it into short-form edits, gaming highlights, and meme compilations whenever someone needs to be summoned or singled out. Its staying power comes from that flexibility: the same two-second sound can feel affectionate, accusatory, or simply funny depending on the face, caption, and timing placed around it, so it keeps finding new jokes long after its first use.