The term neocon is just what the left has decided to try and offend the right with. The prefix, neo, simply means new. So, I guess being called a "New conservative" is somehow supposed to be derogatory in some weird leftist kind of way.
Neocon is a self-appointed designation that holds very little in common with conservatism. It's definitley not a projected term since Irving Kristol is often credited with the movement from his book "Thoughts From a Neoconservative."
There are many prominent conservatives who have been pointing out the Bush admin is not conservative and the neocons have effectively left us with voting for two liberals this November. Some good reading is Victor Gold's book "The Invasion of the Party Snatchers..." which is an expository on how the political marriage between the Religious Right and the Neocons have taken my party very far away from conservatism.
Buchanan, Buckley, Larry Hunter, Ross Douthat's book The Grand New Party, and Mickey Edward's book "Reclaiming Conservatism" have also pointed out the Bush admin is not conservative. Some neocons like Francis Fukuyama have rescinded the doctrine and admitted it cannot work after seeing the failures in iraq and afghanistan. A troubling aspect about outlets like Fox is for the past 5 years people like bill kristol have been proven wrong time and again yet they still get billed as "experts" and remain as commentators.