A rock band from Seattle, Washington. Active from 1993 - 2001, and then 2004 - 2009 before disbanding for good. The band is most known for their single, "Flagpole Sitta;" released on their first album in 1997, and went on to produce two more albums.
12 step recovery jargon referring to someone new who talks about how great life is, now that they're sober. 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.