The phrase translates from Portuguese as the tip is not to buy, and its appeal online comes from its simplicity rather than a famous source. As a short, standalone voice clip, it circulates as a reaction sound for shopping, spending and consumer hype, where a single blunt line can carry the whole joke. Its popularity rests on how easily it fits memes, edits and commentaries about prices, trends and purchases people later regret, making it a reusable punchline for creators who want a quick, sceptical response without a longer explanation.