Someone who is constantly quoting some thing from the matrix and has memorized all of the lines from the movies, scenes from the games, has a currently MxO account, read many of the articles, owns a copy of the Keanu Matrix (awesome book ^-^) and does not need to look this word up. Basically, a fanatic witha a specified movie. Nukkas.
*setting: person working on math*
Sarah: I need help! What do I do?
Savannah: You have to get rid of 'x'.
Sarah: Give me the answer?
Savannah: I can only show you the door, you have to walk through it.
Sarah: You're such a Matrix-geek.