More fun for nerds… use Google to search the Jargon file (aka the New Hacker’s Dictionary).
ESR calls this tool jargoogle. It supplies a standard search form as well as a promising JavaScript widget (that, I regret, does not appear to work in Mozilla 0.9.6).
Some favorite entries: astroturfing, VAXectomy, Zawinski’s Law, Gates’ Law, Hanlon’s Razor