The whistle scratch is not tied to a known film, show, or viral video, and it circulates mainly as a short user-uploaded clip on soundboards where people collect quick comic effects. Listeners tend to reach it through searches for fart-style scratch sounds, which matches its squeaky, slightly rude character rather than a specific scene or character. Because it is under half a second long, it is easy to drop into edits without trimming, and that convenience has kept it in rotation for reaction videos, pranks, and meme compilations where a fast, cheeky interruption works better than a longer joke.