The phrase comes from Marcelo Tinelli, one of Argentina's best known television presenters and the long time host of Videomatch and Showmatch. His enthusiastic muy bueno became a familiar reaction on Argentine TV and later circulated online as a short isolated audio clip. Shared through soundboards, WhatsApp groups and short videos across Latin America and Spain, it works like a universal stamp of approval even for viewers who do not speak Spanish, and remains popular for quick positive reactions.