Term used in off-road motorcycle riding when the rider reaches a difficult area of terrain and loses traction such that they have to dismount and push the bike while it is running.
Man, that hill was so friggin' steep, I was doggin it up the last 50 feet!
12 step recovery jargon referring to someone new who talks about how great life is, now that they're sober. 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.