No clear original source is documented for this short clip, so its history is mainly in how it spread as a reaction on user generated soundboards and in short form video edits. Creators reuse the stretched question whenever a line needs to be highlighted as unbelievable, misheard or deliberately absurd. Its brevity keeps it flexible, fitting gaming moments, dubbed scenes, chat recreations and meme compilations without needing context. That repeat use as a quick pause for disbelief is why the phrase remains recognisable even detached from any single video.
About this sound
A short voice clip of someone asking what did he say in a stretched, confused tone, used as a reaction to shocking, unclear or absurd lines in videos.
This is a very short voice reaction built around a single confused question, stretched out on the final word for comic effect. A speaker asks what someone just said, sounding stunned, half laughing and not quite believing what they heard. The delivery is drawn out and slightly whiny rather than angry, which turns a moment of confusion into a punchline. It works because the feeling is instant and universal, pausing the scene so the audience can react along with the speaker before the original clip continues or cuts away.