(derogative) A border collie that has been bred for desirable qualities associated with competing in organized dog sports.
I also think that, if this is your first sports dog, that getting a sporter collie from a sport breeder is likely overkill and you may find yourself overdogged very quickly.
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.