A short Portuguese voice clip saying you should know, Cayuma, shared as a WhatsApp audio for teasing friends and reacting to obvious news in chats and memes.
This is a brief spoken clip in Brazilian Portuguese, lasting just under five seconds, in which a voice delivers the phrase you should know, Cayuma, with a pointed, knowing tone that sounds like someone correcting a friend who missed something obvious. The delivery is direct and slightly teasing, with emphasis falling on the final name, which makes it land like a punchline rather than a simple statement. Because the line is short and easy to recognise, listeners immediately grasp the joke even without extra context, and it works best as a quick reaction that calls out forgetfulness, pretended ignorance, or a detail everyone else already understood.
Little is publicly documented about the original recording behind this clip, so it is best understood as a short WhatsApp audio that circulates on soundboards and in group chats rather than a line from a known film or show. Its appeal comes from the mix of everyday Portuguese, a direct address to the listener, and a name that gives the tease a personal target. That combination makes it easy to reuse whenever a conversation turns to something obvious, and its brief length helps it travel quickly between chats, edits, and reaction videos.