A definition which translates directly as "the police are on the block." Usually used when trying to announce publicly to run away, since the cops are "on your tail"
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.