Lazs, Neoconservative is a 40-year-old term.
It describes all the hawkish liberals who left the Democratic party to hijack the Republican party. They pay lip service to the kind of conservatism that you and I understand, but are really for big government, massive spending, and using military power as a foreign policy tool rather than for self defense. Rumsfeld, Cheney, Wolfowitz, et al.