The Portuguese phrase translates as this guy is the devil, and online it is used less as a literal claim than as a joking verdict on someone who has done something audacious. Short reaction audios like this travel easily between meme edits, short-form videos and messaging chats, where a familiar voice line can carry the joke without subtitles or explanation. Its staying power comes from that flexibility: it works for pranks, betrayals, clever tricks and over-the-top confidence, and the dramatic delivery makes the punchline clear even to viewers who only catch the tone.