A system by where an item is taken out of service to prevent it from breaking down due to overuse. It is questionable as to whether work is actually being done or not.
You know, preventative maintenance. By turning the escalator off, people are prevented from using it so maintenance will never have to be done.
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.