A person who is completely without money, means, support, and/or prospects; an indigent person. His crippling drug addiction left him a down-and-outer, begging for change on the sidewalk.

A person who is destitute or otherwise devoid of any resources. Sarah started a nonprofit organization dedicated to help the down-and-outers in her city.

One part of the inside of the Earth (as opposed to the Earth's "inner core"). All right class, what can you tell me about the Earth's outer core?