The mouth like rat clip circulates as a generic meme sound rather than a clip tied to a confirmed movie or show, and its exact origin is unclear. Online, creators reuse the short spoken line as a punchline for visual gags, stitching it onto face zooms, character edits and reaction videos where a sudden insult changes the mood. Its appeal is the contrast between the ordinary setup and the oddly specific comparison, which makes it easy to drop into new contexts without needing any backstory to understand the joke.