A handsome man married to a wealthy and powerful woman who is older than himself. Usually, such marital union is the second (or third, fourth, etc) for the woman.
Justin thinks he is on the road to being her trophy husband but he doesn't realize that cougar has no intention of following through on all of her promises.
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.