The sound is associated with Morandé, the long-running Chilean television comedy and variety programme, where short repeated catchphrases and audience-style reactions became part of its humour. Online, the sii sii sii clip has circulated mainly as a soundboard and meme reaction, shared by Chilean viewers and Spanish-speaking creators who recognise the playful tone even outside the original broadcast. Its brevity and clear meaning keep it useful as a quick agreement cue in short videos, streams, and chat reactions.