An Australian Shepherd (dog breed) that's being an asshole. They are highly energetic and intelligent, so special care must be taken when raising them.
Exercise, train and mentally stimulate your Australian Shepherd or they'll be a constant ausshole.
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.