Someone whose political views represent the worst of both worlds: fiscally liberal, socially conservative.
Bush is a neocon because he supports racking up a huge deficit while dictating people's personal lives.
Pussy-to-Effort Ratio. For a given activity pursued by a heterosexual male, measures how much it will help them get laid versus how much effort said activity requires.
Training to become a virtuoso tuba player has a low P/E ratio. Buying an Ed Hardy shirt and acting like a douchebag has a high P/E ratio.