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.
Four temperaments is a proto-psychological theory that suggests that there are four fundamental personality types, sanguine (enthusiastic, active, and social), choleric (independent, decisive, goal oriented), melancholic (analytical, detail oriented, deep thinker and feeler), and phlegmatic (relaxed, peaceful, quiet).