cranial rectitis means: 1. A disorder in which one behaves so dreadfully, offensively, or moronically that it is difficult to keep your head above the ground. This condition can make things dark and stale. 2. Perpendicular Cranial Rectitis is a condition in which a person is so severely affected that their shoulders and buttocks are blocked, it is called “perpendicular craniosis”. “. (in Community Dictionary, added by Alani Hoffman)