A saucy beaver is also known as a saucy pussy. They like BBQ over all sauces and lather in it daily to cleanse them selves of dirtiness. They also play shit holes of games that are bound to die in a year or so.
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.