A hypocrite. A person who professes beliefs and opinions that he or she does not hold in order to conceal his or her real feelings or motives. Someone who doesn't practice what they preach. Invented by George W. Bush in the film "Harold and Kumar Escape from Guantanamo Bay".
Kumar: Dude, this is weed!
George W. Bush: That's Alabama kush, that's only the finest.
Kumar: So you get high and then you put other people who smoke weed in jail?
George W. Bush: Duh!
Kumar: That's so hypocritical!
George W. Bush: Oh yeah, well let me ask you something kuuumarrr. You like giving hand jobs?
Kumar: No sir
George W. Bush: You like getting hand jobs?
Kumar: Huh yeah.
George W. Bush: Well that makes you a fucking hypocriticizer too, so shut the fuck up and smoke my weed.