A large fat fuck that is literally challenged to walk. He usually wobbles as he creates massive earthquakes upon his massive kankles. Usually a horizontally challenged person whether it be a guy or girl smells like shit because they do not wash under their rolls or titties.
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.