World of Warcraft gifts?

My boyfriend's birthday is coming up soon, and he is a major WoW fan. Does anyone know of any good WoW gifts that I could give him? I am getting him quite a few gifts and was hoping one of them could be associated with WoW. I, unfortunately, know nothing about the game. If you happen to know any of gift ideas, please also explain what exactly they are referring to. I have tried looking online, but a bunch of the WoW lingo they use I just don't understand. If you know of anything that would really be a great help, and I would truly appreciate it :]