A term describing a prolonged stage of particularly underdeveloped emotional health. Symptoms include a sense of entitlement, in spite of little or no actual earned accomplishment, and a sometimes astonishing lack of elementary and basic character, seen particularly in the inability to edit one's own words or behavior.\n> Though the man was in his early 30s, his childish remarks and impetuous behavior showed that he was developmentally stuck in a major Kiffin.\n