This is a game you play with your friends, you climb on the roof of a building in front of a busy street and projectile shit off of the building and try to take out as many pedestrians as possible.
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.