If you own a Comic Shop Credit Card . . . You might be a geek.
If you write on your job application form that the languages you are fluent in besides English are Elvish, Klingon, and Wookie . . . and you're not joking . . . You might be a geek.
If you noticed that the above spelling of "Wookiee" is incorrect . . . you might be a geek.
If, at your wedding, you insist on changing the traditional "Wedding March" to the theme from Star Wars . . . you might be a geek.
If you actually own a batleth . . . you might be a geek.
If you walk into the office whistling the theme from Willow, and you haven't seen the movie in over a year . . . you might be a geek.
If you can quote the entire movie The Princess Bride completely by memory . . . you might be a geek.
If everything you know about sex, you learned from watching porn . . . you might be a geek.
If you consider the most important item in your emergency kit to be your copy of The Zombie Survival Guide . . . you might be a geek.
If you know what THAC0 stands for . . . you might be a geek.
If you can tell me what table is printed on page 101 of the AD&D 2nd Edition Players Handbook (without looking it up) . . . you might be a geek.
If you celebrate Life Day every December instead of Christmas, Hanukah, or Kwanza . . . you might be a geek.
If on your census form, under "religion" you write " The Jedi Order" . . . you might be a geek.
If you buy toys, but just display them on shelves still in their boxes instead of taking them out and playing with them . . . you might be a geek.
If you buy comic books, but never take them out of their plastic envelopes and read them . . . you might be a geek.
If you can decipher binary code in your head . . . you might be a geek.