This is not exactly hypocrisy. Mostly self-explanatory, it's the act of not only lying, but willfully lying, like Bill Clinton lied about Monica, when you're protecting whoever asked you the question from having to ask you more questions. You know, "I did not have sexual relations with that woman." Of course, this kind of lying is also used to protect yourself from emotionally draining conversations--an impeachment trial counts, I think. "I'm fine, thanks" is the epitome.