Minh-Quan (Minh Quân in Vietnamese) is often a Vietnamese male name. "Minh" refers to lucidity, intelligence, and agility. In addition, it also has the meaning of uprightness, clarity, and excellence. "Quan" here refers to the leader, who can lead and direct others and is of course an intelligent and visionary person.
In Sino-Vietnamese, "Minh Quân" is also used to refer to a wise, righteus king.
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.