Colista is a Greek name that means 'Most Beautiful'.
It is a very unique name and if you ever find a Colista, try as hard as possible to become friends with her. Colista's are always fun to be around. When they find something or some one they truly love, they become obsessed. Colista's are very out going and can talk to everyone. They are shy at first but when you get to know them they can talk all day. Colista's are intelligent and creative. Colista's are also very musically talented.
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.