When at a party, to bring another person to a wall and grind or hook up with that person at the wall. The wall makes it so less effort is required, for when grinding the guy just has to rest on the wall and take it. When hooking up, have the girl cross her legs around the guys back and the guy lifts her and presses her against the wall so that little effort is required. It's fun.
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.