Nu Peguei circulates online as a short reaction clip rather than a line tied to a widely documented film, show, or song, so its exact original recording is not clearly established. In Brazilian Portuguese, the phrase is a casual, contracted form of 'não peguei', meaning 'I didn't catch it' or 'I didn't get it', which helps explain why it travels so well in short-form video. Creators use it as a quick, self-deprecating punchline for missed jokes, failed attempts, and moments of confusion, and its two-second length makes it easy to drop into edits without breaking the pace.