You're screwed now.
No matter what you do, you'll forever be branded as that douchey guy.
You could, from hereon out, be the Mother Theresa of the boards, and you'll never escape that stigma. Ever. You could be clever, generous, witty, knowledgable, whatever. Doesn't matter now, because you've been a douchey on your first outing.
If I were you, I'd just vanish. It's probably for the best.
(thumbs u
Am I wrong....?
If he continues to act this way you would be correct, if he changes his ways I could see him being accepted