Although many of us don’t have to “fake” it, Penguin Pete’s Blog’s about How To Totally Fake Being A Geek:

Yes, it’s come to this. The same people you raked on in high school now run the world and control every gizmo you own or want to own. And, as you hold your “normal” identity throughout your life, there are times when it may be advantageous to pose as a geek. Maybe to convince your first date that you have job prospects beyond “Walmart clerk”. Maybe to slip in the door at Comdex. Perhaps even to escape being hacked to death by the evil-looking punks at the Internet cafe, the ones with the Tux penguin tattoos and the Mohawks who are eying your laptop. Hint: They don’t like you because of the suit and tie; they HATE that!