pin-up

Meanings

1. A photograph, printed in a magazine or other publication, of a sexually attractive person (often nude or provocatively dressed), and intended to be removed and pinned up on a wall.
2. The person so depicted.
3. A figurehead, a person who represents an idea, cause, etc.

Etymology

Deverbal from pin up, because such a photograph is often extracted from the publication and pinned up on a wall.