An insult that is given when one is of a disgusting nature. 'Pigger' is derived from pig and snonk is the noise emitted while expelling mucus from one's nose. Typically, this insult is given in the lower age group of 6 - 12 years old.
Ewww gross! You Piggersnonk!
You friggin piggersnonk did you just eat that mucus you expelled on to the floor?
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.