Police. Due to the black and white color scheme of most police cruisers.

A stupid person; it refers to the lack of surface area on an individual's brain. The general thought is that the more surface area (wrinkles, creases, etc.) a brain has, the smarter the person is. Conversely, a person with a smooth brain (no wrinkles) has less surface area and would therefore be stupid.

Usually referred to as "Good & Evil".
Most people believe the world is Black and white.

n. A police car, from a time when most police cars were painted black and white

A worldview that sees all things being either good or evil, with no "gray areas". Characteristic of the Bush administration, and religious and political conservatives.

When talking about old BnW flicks and pics and you want to spell it out, use hyphens.

One of the best PC games ever!