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.
If you check disposition and predisposition, you'll find that: disÂ·poÂ·siÂ·tion (dÄ­sâ²pÉ-zÄ­shâ²Én) n. 1. One's usual mood; temperament: a sweet disposition. 2. a. A habitual inclination; a tendency: a disposition to disagree. b. A physical property or tendency: a swelling with a disposition to rupture.