With no widely documented source attached to the clip, Jacket Stay Calm circulates mainly as a short reaction sound on soundboards and in short-form edits. Its appeal is simple and repeatable: a calm instruction placed against rising chaos creates an instant contrast that viewers recognise without needing context. Creators reuse it for gaming clips, reaction videos, and everyday funny moments because the two-second length fits neatly into fast cuts. That portability, rather than a single viral origin, keeps it in rotation.