You know that dumbassthing Benny says in FNV when you first meet back up with home on the Strip? Generally used when you encounter something you cannot believe, or refuse to believe.
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.