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

someone who is sexy beyond mean

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

Snitching ..., statements...., proof by paper something being written on paper for proof (white= paper black=pen)

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.

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

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