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.
Refers to relatively unstructured, unpredictable, and spontaneâ¦. trivial variation in behavior that usually last a short time. are currently accepted styles of appearance. occurs when a number of people share a short-lived, intense anâ¦. Collective Behavior. Refers to relatively unstructured, unpredictable, and spontaneâ¦.