The documented facts for this clip are thin: it is listed only by its Portuguese title, with a running time of about two and a half seconds and no credited performer or source work. Its origin is not documented, so it is best understood as a short online reaction clip rather than a quotation from a named film, show, or song. The informal spelling mermo, for mesmo, points to casual Brazilian Portuguese, and the phrase travels well in memes and short-form edits, where a brief spoken dismissal can stand in for a longer explanation.
About this sound
A short spoken Portuguese phrase passei por cima mermo used as a funny reaction sound in memes and short videos when someone brushes something off and moves on.
This is a very short clip built around the Portuguese phrase passei por cima mermo, an informal way of saying that something was passed over or dealt with anyway. The words themselves carry the joke, so the clip works best as a quick spoken reaction rather than as background audio. Heard on its own, it reads as a blunt, unbothered dismissal, which is why creators use it to punctuate a moment when a character or person simply moves past an obstacle, a comment, or an awkward situation without stopping to explain. Its brevity keeps the punchline immediate and easy to drop into a fast edit.