Ruslan is the Russian variant of ARSLAN, meaning "lion", of Iranian or Iranic origin. " Arslan" and "Aslan" are common among Turkic and Mongolian peoples, who brought the name to the cultures of the Caucasus, Middle-East, the Eastern Europe, Manchuria and South Asia.
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.