The exact source of this sound is unclear from the available information, but online it is commonly shared as a short reaction clip under names like screaming blue thing and blue thing meme. Its popularity comes from how instantly readable the scream is: viewers understand shock, panic or absurd distress in less than four seconds. That makes it easy to reuse in meme edits, reposted reaction videos and fast social clips where a single loud audio cue needs to deliver the joke immediately.