This clip is mainly used online as a compact reaction sound rather than for a widely confirmed source reference. Short one-word callout audios like this spread through meme edits, reposted reaction videos, and vertical short-form content because they are easy to recognize and easy to time. Its staying power comes from how efficiently it communicates doubt in barely a second. Creators keep using it when they need a fast, clean interruption that instantly signals disbelief without covering too much of the original audio.