The sound comes from Solange, a participant in the fourth season of Big Brother Brasil, the Brazilian version of the Big Brother reality format, where she is heard singing Iarnuou. The phrase itself sounds like a playful, mispronounced take on an affectionate English expression, which helped Brazilian viewers remember it long after the broadcast. On soundboards and in short-form edits, it is now saved and replayed as a standalone joke, valued less as a song than as a recognizable voice moment from reality television.