You Know You're a Geek When...

You're playing Scrabble and you start to think "Fron! Ok, cool, now where can I put it?" then realize that fron is only a word in Ancient from Stargate: SG-1. And you're even more of a geek when your first thought after that is that the reason you can't play it is that it's a foreign language, not that it's a made up word.