thicky nikki refers to anyone named Nikki who definitely has them curves, and a really nice ass. most times, she's blonde, and isn't afraid to let the world know how curvy she really is.
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.