The phrase translates from Portuguese as it is the cheapest purchase of the day, and the clip circulates online as a short reaction sound rather than a known movie or show quote. Its appeal comes from the over the top delivery applied to a very everyday moment, saving money on a purchase. Brazilian Portuguese meme sounds like this are widely shared in group chats and short videos, where a single shouted line can caption hauls, promotions, and thrift store wins without any extra explanation needed.