Yikes

In a Barnes & Noble in Brooklyn. A young guy at the counter truly does not understand why he can't get a book with his library card.

Geek

You might be a geek when you use Google maps and your phone's GPS to tell you where you are, rather than just looking out the train's window.

Twit

If all you "Twitter" about is Twitter, you really must stop. It makes you look like a dumass shill.