There is no widely documented source for Robert Furry, and it circulates mainly as a short user-generated soundboard clip rather than as a scene from a well-known show or film. That low-key, community-driven path is common for niche meme sounds: a brief clip gets shared, reused in edits and replies, and kept alive because it is easy to recognise and quick to place. Its staying power comes less from a single viral moment and more from repeated use by fans who treat it as an inside joke.