The phrase is plain everyday Spanish meaning I do not know what he said, with men added as casual slang at the end. Short clips built around a single confused line like this spread easily on meme pages and in group chats because they need no context to understand. The brevity and flat tone make it reusable for almost any misunderstanding, from garbled audio to rambling voice notes. It stays popular as a quick shorthand for being lost, letting creators react without recording their own voice or adding on-screen text.
About this sound
A short Spanish meme clip of a man saying no se que dijo men, used as a confused reaction when someone does not understand what was just said.
This is a very brief Spanish voice clip lasting under a second, where a young man flatly says he does not know what was said, ending with the slang word men. The delivery is casual, slightly lost and deadpan, with no music or background effects behind the voice. Because it is so short and blunt, it lands as an instant confusion punchline. Viewers hear it and immediately get the feeling of missing the point completely, which makes the moment funnier than a longer explanation would, especially when paired with a blank stare or shrug.