typically, a huge metropolis-like area populated by different ethnicities. Also used to refer to groups of 4 or more african american males grouped together on a suburban street.
"aw dizzam hoo up ihn da niggeropolis tew day?" black person walking into a crowd of other black people.
another term for a station wagon, mini-van, or any other kind of vehicle that is targeted at the "family" demographic(also M.A.V.)
"Tactical advantages aside, the M.A.V. is top of the line for the holy warrior troop transport manufactured by the Church of Latter Day Saints Military Industrial Complex. Also great for family trips...to heathen lands."
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.