Arabic word short for Kuayis. Pronounced kwoo-eye. Meaning complete perfection, or of very high quality, beauty. Can also be used describe ones feeling.
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.