a girl who seems innocent and nice on the outside. on the inside, she's secretly a sex maniac who is the life of the party. she's fakin' and no one knows it.
12 step recovery jargon referring to someone new who talks about how great life is, now that they're sober. 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.