When you're put in a awkward position with nothing to say so you laugh and sing, "what the fuck I'm s'possed to say" as you're walking away, quietly add the ay ay ay"
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.