pin·up 
(pĭnŭp′)
(pĭnŭp′)n.
1.
a. A picture, especially of a sexually attractive person, that is displayed on a wall.
b. A person considered a suitable model for such a picture.
2. Something intended to be affixed to a wall.
adj.
1. Suitable for a pinup.
2. Designed to be attached to a wall.