The clip is a Spanish language reaction sound built around a common everyday expression of disbelief. Its exact origin is not documented, but the stretched pronunciation helped it spread on soundboards and in short form video edits where a one second reaction is needed. Spanish speaking creators use it for pranks, sports highlights and everyday surprises, while non Spanish speakers use it in the same way as an English I cannot believe it reaction. The phrase itself keeps it instantly understandable in memes and chats.