Dab sus circulates mainly as a short, user-made meme sound rather than a clip from a single film, show, or game, which is why it appears on soundboards and in short-form edits rather than with a clear original scene. It works because it combines two instantly readable internet jokes, the confident dab and the word sus, used online to flag someone as suspicious in a playful way. That simple combination travels well across gaming clips, reaction videos, and friend-group jokes, keeping it useful long after individual trends fade.