a term used to describe the rising tide of "fake" celebrities. Folks like Paris Hilton, Nichole Richie, and Kim Kardashian et.al. who are not famous for anything in particular other than being famous. Pronounced Celebri-NOT the term is ironic in that it evokes real professions like "astronaut", but implies that these attention whores are "not" celebrities but are trying really hard to become ones.
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 Mormoncomputer-programmer celebrinerd who, beginning in 2004, rattled off a record-breaking 74-game Jeopardy! winning streak."