It's when you are having a pleasant conversation with someone, and suddenly a said buzzard decides to act tough and get all pissy.
It's male nonsense.
You'd think that being almost 350 years old they would learn but no.
They need to prove their dominance, puffing out their chest and throwing hands.
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.