This is an old term coined by an English navigator named GeorgeSamuel Windsor Earl to refer to islands with strong Hindu cultures, which later became Indonesia.
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.