Nina in spanish means baby...It's the slang word a boyfriend might use for his girlfriend. Your words Nina should have the accent ~ above it. like this: niÃ±a. 'Nina' means girl.
Top definition Temperamental unknown A person that can explode at any given moment, one minute everything can be super-duper and their company that of something wonderful and the next they are loathsome.
disposition, temperament, temper, character, personality mean the dominant quality or qualities distinguishing a person or group. disposition implies customary moods and attitude toward the life around one.