short for psychotic, a person characterized by or afflicted with psychosis. In psychiatry, psychosis is any majorform of mental affliction or disease. In Scientology, a psychotic is classified as a person who is physically or mentally harmful to those about him out of proportion to the amount of use he is to them. —SHSBC Binder 17 Approved Glossary, —SHSBC Binder 18 Approved Glossary, —EM-4 Approved Film Glossary