The phrase quem você pensa que é is a common Brazilian Portuguese scolding, and this clipped recording circulates as a WhatsApp style audio reaction rather than from a known film or show. Shortened spellings like qm vc pensa q e cbaum come from how users type the line in chats and soundboard titles. It spread through group chats, meme edits and prank videos where a sudden annoyed voice can roast someone instantly, and it remains popular because the question works for bragging, bad takes and playful arguments alike.