A booty hot dog is when your erect penis is placed in the middle of the ass crack. Her ass cheeks make the bun and your penis is the "meat". A booty hot dog can be executed as foreplay or can be innocently performed with your "morning wood".
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.