A rude, noisy, and aggressive youth under the influence of alcohol giving the youth the properties of a late predator in the fashion like a dinosaur, and earning the first half from the term Yob as like a rude, noisy, and aggressive youth. This can cause the vicinity of the 'Yobagaurous' to become hard to accommodate as the youth like creature causes raucous as like a dinosaur would in the current world. Many find this distressing as the Yobagaurous will interact negatively with any being around it.
'When I went to Eastern London yesterday I noticed that some quite possibly intoxicated teen was causing raucous, he must have been a Yobagaurous to the public!'
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.