The phrase xupa federal circulates in Brazilian Portuguese meme culture, where xupa is a slang spelling of chupa and federal refers to the federal police. Shared as a short soundboard clip, it spread through chats, short videos and gaming edits as a generic taunt aimed at authority. Its brevity and shouted delivery made it easy to reuse out of context, so creators apply it to any scene with police, inspectors or strict enforcers. It remains popular because the joke needs no setup and is understood instantly by Portuguese speaking audiences online.