Eavesresponding
You're the guy who reads a chat, doesn't get half of it, and still feels the need to blurt out something stupid just to feel important. It's like you think everyone else is dumb and you're the only one who's got it right.
'I'm not even part of this and I have to fix it.'
'You're all wrong, I know the answer.'
'I don't know what's going on but I'm gonna argue about it.'