WP IMO.
Heads up, you are not going to be annoying any other people by constantly timing out like you would be at a 6 seater so no harm done.
If he was being an idiot towards you, then I would have done everything in my power to wind him up as well (without swearing/cursing at him). Though nowadays I never speak in the chatbox, but I do observe to see who is on tilt and talking to much, these are then my likely ATMs.
Poker is a game where money is transferred from the weak minded unskilled players to the mentally strong skilled players.