This kind of sus suspense audio is widely used in meme edits shaped by internet slang around “sus,” short for suspicious. The term became especially popular in 2020 through Among Us clips, reaction videos and short-form posts, where creators paired eerie stings with callouts, accusations and dramatic zooms. Short sounds like this remain popular because they communicate the joke in under three seconds: someone looks off, the audio hits, and the audience instantly understands the suspicious setup.