The phrase is Danish for how to play Fortnite, referencing Epic Games battle royale title that became a global gaming phenomenon after its 2017 launch. Short foreign language tutorial lines like this spread on soundboards and in video edits because the meaning is easy to guess from the game name alone. Players reuse it ironically, pairing a serious how to premise with clips of beginners losing, building poorly, or ignoring basic mechanics, which keeps the joke circulating in gaming communities.