When someone posts/uploads something purely to win a non-existent argument. Usually used to target a group of people they don't like.
Also, These posts are usually made when someone has just been proven wrong, lost in a video game, or wants to try to win an argument that hasn't happened yet.
Person A: I don't like his playstyle, so I'm going to make a video showing why this playstyle I don't like, is bad.
Person B: Bro, don't do that, it'll sound like a cope post.