A person who is
famous for, or despite of, being geeky.
Coined by Lev Grossman in a Time Magazine review of author and gameshow megawinner Ken
Jennings book "Brainiac".
"Ken Jennings--you know, the
Mormon computer-programmer celebrinerd who, beginning in
2004, rattled off a record-breaking 74-game Jeopardy! winning streak."