Mastiga meu saco is a Portuguese-language insult that translates literally as chew my sack and is used in Brazil as a vulgar way to tell someone to go away or stop talking. As a short audio clip, it circulates mainly as a reaction sound for memes and chat messages, where its bluntness does most of the work and listeners do not need a longer setup to understand the joke. Because the phrase is short, punchy and easy to reuse, it fits the same kind of quick insult clips that travel between videos, streams and private messages.