In case you don’t get turned on by hot chicks dressed up as Night Elves or lovely, half-naked digitized ladies, this image (from Halolz) will definitely give your sex drive an extra life:
If not, you’re probably not a nerd. If so, why the hell are you even reading this site? Go look at a real girl or something, ya freak!
But if you are a nerd, you can buy the shirt of this image here. Wear it proud.