Yar har a term used by pirates. Most pirates discovered this phrase after meeting a fifteen year old Michael Collins in late 2012 His wisdom inspired many but everyone time he got excited he would blurt out the phrase "Yar-Har!"
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.