What does avere la scimmia mean?

avere la scimmia meaning in Urban Dictionary

Italian appearance (virtually "to have the monkey/ to got the monkey"). Typical of teenagers's slang. It has two principal definitions.1. to possess a very good obsession for a person or something, or to want something highly. In the same meaning can be used too the reflexive verb "inscimmiarsi" (something which could possibly be actually converted as "to be 'inmonkeyed'"). Particularly, the phrase is employed in the drug-addicteds slang, meaning to-be dependent on a drug or even to have withdrawal symptoms for many drug.2. To stay in a negative state of mind or, generally speaking, to be in a strange or certain but evasive mood