Yessiribop is an expression used to say “yes” with a hint of excitement. Commonly used in sentences where one wants to express their agreement with someone to the maxxxx.
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.