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.
adjective Relating to temper or temperament noun Psychology Temperament, see there Vox populi A term referring to a current state or display of temperament, commonly used in a negative contextâeg. he/she has a real bad temper today. See Temper tantrum, temperament.