N.A.D.D.

"While I'm certain Civil War enthusiasts would enjoy this book, it is not geared for someone with my particular disability -- Nerd Attention Deficiency Disorder... or NADD."

This is an old post, but I hadn't seen it before. If you are afflicted, you'll laugh yourself silly at this. If you don't have it, you just won't get it. You'll think you do, but you won't.