This is a term used by heroin addicts (& occasionally others) to describe themselves or other heroin addicts. It may be more prevalent in areas where black tar heroin is the primary variety available.
One who dances with monkeys and/or smells like one. Can also be used as an everyday word.**
Owen is a monkey choba because he never bathes. Aidan likes to dance and smells bad, he is monkey choba. ** You are acool Monkey Choba. You walk with the monkey chobas man! (mun-kee - ch-oh-baa)