Hackerspeak

Lamer: Fool and a beginner, in that order
Script Kiddie: A novice with some programming knowledge, slightly morerespectable than a lamer
Lurker: Smart chap who breaks in, touches nothing, just observes
M dollar: The much-loathed Microsoft (MS or M$)
Brute Force: A technique of finding passwords
Grind: Guessing passwords of friends and familiar people
Back door: Illegal entry point to a network
Black hat: Malicious hacker
White hat: Good chap