An acute inflammation of the amygdala, the emotional center of the brain, usually triggered by being told "no" or being asked to stop playing video games. This is a common psychiatric diagnosis in those who work with children, or adults who spaz out regularly.
Sebastian (age 6):"Nooooooo, I hate you! I'm going to kill myself! I'm going to kill you in your sleep if you don't buy me a new DSi game! I hate you! I wanna die!"
Dr. T Berry Brazelton: "Shit. I think young Sebastian is suffering from an acute case of amygdalitis. Otherwise known as Act a Fool Not Otherwise Specified in the DSM V. This may require an IV infusion of Adderall!"