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.
Temperament.com is about behavioral individuality in infants, children and adults. Just as babies are born with their own combination of physical characteristics such as hair and eye color, skin tone, and physique, behavioral scientists know that each one has patterns of behavior, or temperament, that are also part of their uniqueness.