|the offspring of a zebra and a donkey.|
|an extraordinary or unusual thing, person, or event; an exceptional example or instance.|
hebephrenia he·be·phre·ni·a (hē'bə-frē'nē-ə, -frěn'ē-ə)
A schizophrenia, usually starting at puberty, characterized by foolish mannerisms, senseless laughter, delusions, hallucinations, and regressive behavior. Also called disorganized schizophrenia, hebephrenic schizophrenia.