Listed as a reaction sound, My Reaction to Parasite takes its name from Parasite, Bong Joon-ho's 2019 thriller, but the clip itself circulates as a standalone response rather than a confirmed line from the film. That distinction is why it travels so well online, shared on soundboards and pasted into edits whenever a scene turns tense, gross or socially awkward. Its short length keeps it punchy for memes, Shorts and streams, where a single exaggerated reaction can stand in for a whole commentary track.