In British slang it means a bit deaf.

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.

A square-shaped button commonly found in men's clothing. A mutton can be found mainly in men's shirts, but can also be found on women's blouses, men's boxers, and other types of clothing.

To molest young impressionable teenage girls in the back seat of a Skyline

A red car.