A person who uses the internet deftly and creatively to answer questions that people ask them with superhuman speed and quality of result.
Person 1 - "What's the name of that song that Van Morrison sings from the 9 months sound track?"
Person 2 - "Let me look"
2 seconds pass and Person 1 receives an IM for the file transfer of the song.
Person 1 - "Dude, you are a total Internet Savant."
Person 2 - " /bow "