The phrase itself is everyday Spanish for nothing you do not already know, which is why the clip travels well as a reaction sound even without a wider backstory. In short-form edits it is used to underline an obvious reveal, a long-suspected twist or a moment of dramatic irony, letting a single line do the work of a caption. Because it is only a few seconds long and easy to drop over a video, it fits memes, reaction posts and commentary clips where the joke depends on shared knowledge rather than surprise.