I am miffed!

After seeing someones name here, a name I haven't seen in awhile, in any way shape or form (and you know who you are!), I thought to myself "I am miffed." Then I laughed to myself because that seemed like such a stupid word. Now I'm wondering if George has ever said it. Sounds like something he would say. "Jerry, I am miffed." (XXX

I'm miffed Jerry! I'm really miffed! (XXXxxx)