Can be used as an adjective for a very slutty girl.
Can also be used for very feminine and girly boys.
Exemple 1: "Dude, this girl looks very fine..." "Yeh I know, I bet she is S&B, if you know what I mean~"
Exemple 2: "Dude, this boy looks very fine with that plump ass of his..." "Yeh, I bet he is S&B as fuck, would love to get his sissy ass on my crotch~..."
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.