The exact origin of this audio is not clearly documented from the available details, but it is known online as “Chi Cheñol” and is associated with the phrase about banana day. It circulates mainly as a short reaction sound in Spanish-speaking meme sharing, especially in reposted clips, chat forwards and quick vertical edits. Its staying power comes from how strange and specific it feels: the delivery is memorable, the wording is easy to quote, and the clip is short enough to drop into many different joke formats.