Shared under the name cream scream autistic on user generated soundboards, this clip has no widely documented original recording, performer or scene. Its life online comes from reuse rather than a known source, with creators lifting the short shriek for reaction edits, meme compilations and short form videos where an extreme vocal reaction is funnier than dialogue. The harsh, brief burst cuts through music and speech easily, which helps it survive as a reusable effect even without a famous moment attached to it.