Little is known about the original source of So Anxious, so its life online comes from how creators reuse it as a shorthand for stress. The clip circulates on soundboards and in short video edits where a brief musical cue is faster than explaining anxiety in dialogue. Its popularity comes from versatility, fitting school stress, social awkwardness, gaming mistakes and everyday overthinking without tying it to one character or scene. That broad fit keeps it useful as a reaction sound even without a famous film or song attached to it.