Geek = A Person who is on a Computer for too long, and knows just a little about them. Geeks can be intelligent to a point; lowest form of life
Mac-Freak = A Geek who likes Macintosh (shudder). A very low form of life.
Goth = Some Vampire Freak like my sister; like black etc etc and so on.
Propa Goff = A Jock Goth; the original form of Goths even using the ancient Jock form of Goth, Goff.
Linux-Folk = A Geek who likes Linux (shudder again)
Jock = People who may be able to use Computers but do not spend their life's work on them - can be intelligent to a point. There are many sub-forms of Jocks
Brainiac = A very intelligent person, can be any of the other types of people.
Brainiac Geek = A Brainiac Geek is very intelligent and uses computers all the time - knowing a great deal about them. A Nerd may be a Linux-Folk or Mac-Freak, or neutral, but cannot be insane about Microsoft. Second Highest Form of Life.
Nerd = The highest form of life; a Brainiac who knows all about computers, is highly intelligent, and loves Microsoft. A race unto itself.