when the stock market is doing very well

Briefly, "the realization that each random passerby is living a life as vivid and complex as your own." Originally from the Dictionary of Obscure Sorrows, which has a lot more beautiful neologism definitions like this you might enjoy.

When you successfully hit multiple numbers on the roulette table

An ugly worse than a monkey face looking person with no good personality and usually you'll see them in the ghettos or in gang related activities.