ˈpin-up noun [countable]

1. a picture of an attractive person, often not wearing many clothes, that is put up on a wall to be looked at and admired:
a pin-up of her favourite boy band

2. someone who appears in pin-up pictures or who is considered attractive by a particular group of people:
He’s becoming the thinking woman’s pin-up.

[TahlilGaran] Dictionary of Contemporary English ▲