Banned for confusing anger with curmudgeonliness.

One can be a dispassionate curmudgeon, and perhaps even a largely happy one--as long as complaining is a form of recreation and not a calling or psychological malady.

Banned for the withdrawal of US forces from Iraq.

Go make some new disaster

That's what I'm counting on

You're someone else's problem

Now I only want you gooonnneeeee

Noooowwww I ooonnnllllyyyyy waaaaannnt youuuu gooooonnnnnne...........

Banned because moving down to bases in Kuwait isn't exactly the withdrawal some of us were hoping to see. I'd try to ban the Obama administration, but none of them are playing this game.

Banned more seriously for ducking the curmudgeon theme. You're a classic example of precocious curmudgeonhood. 

banned for not being use to him already.

and when I quote Portal2, nothing. Scoutdog does it and... huh, nothing still.

Banned for your ridiculous hair cut.

banned for spelling 'ridiculous' correctly

Banned for being non-Zubish

Banned for being Zeb.

banned by the Zulus

Banned because I'm quite used to him, and because I have no idea what Portal2 is. Probably a digital game of some sort, but I've nearly given up on those. 

banned for it is a video game, but a fun one. And the MP requires cooperation, not competitiveness. Novel!

Banned for the "but".

banned for you love the 'but'

banned for making Sir MixAlot look bad.

"I like big BUTTS and i cannot lie! you other brothers cant deny!"

Banned because I am suddenly very, very glad that I am not your brother.

Banned for impersonating his aunt instead

Banned because you're forgetting confirmed bachelor cousins who are actually confirmed bachelors.

Banned because did I ever tell you guys about my dad's email "milibyte" escapade?

Banned for letting milibytes out of their cages.

banned for cageyness

banned for caging the beast.

@Scoutdog: This all means 'no'

banned for wanting to uncage the wild beast

banned for thinking beasts are wild

Banned on behalf of wildebeest everywhere.

banned in behalf