The phrase ui que medo is everyday Brazilian Portuguese for expressing fear, but online this short clip is almost always used ironically. It circulated on soundboards and in short video edits as a ready made reaction, especially in Portuguese speaking communities sharing meme audios for chats and streams. Because it needs no context beyond a failed scare or an overconfident moment, it works across horror gameplay, costume reveals and playful arguments. Its brevity and sing song repetition helped it stay useful long after many longer meme sounds faded.