A remeark that must made when someone gets beer spit on them while a a body of water, i.e. a pool, floationg down a river and such. The reciver of the beer shower cannot get angry either, they must enjoy the refreshing experience.
Bob: (spits beer on Joe's face)
Joe: Ahhh, refreshing!
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.