With no clear single source, the quivering sound has spread online as a generic reaction effect rather than a famous quote or song clip. Short tremble sounds like this are shared on soundboards because they describe a feeling instantly, so creators reuse them across memes, gaming edits, and short videos. The two second length makes it easy to loop or trim, and its meaning stays clear even without context. That versatility is why it keeps appearing for cold, fear, nerves, and exaggerated cartoon style shaking.