*Preoccupation with fantasies of unlimited success, power, brilliance, beauty, or ideal love – NPD criteria DSM4
Have you ever had a conversation with someone, who you know is rather arrogant, and all of a sudden, they start boasting something about themselves (their abilities, work, appearance, achievements, sexual prowess) that is so outlandish and obviously untrue, that you have to stop yourself from laughing out loud?