1. pin up - Noun
2. pin up - Verb
a very pretty girl who works as a photographer's model
attach with or as if with a pin
Source: WordNetpin-up
Rightly did Darwin pin up a paper warning himself to be careful about using such words as "higher" and "lower." What is downward about the trend that has produced elephants, chimpanzees, wolves, dolphins, and jackdaws by comparison with ants and bees? Mary Midgley
The BBC sports department when I was there was seriously to the right of Ghengis Khan, and if people think I am strange, they should have met some of the production staff I worked with. Margaret Thatcher and the Queen were the pin up girls for many of them. David Icke
I've done over 125 posters and I have worked with some of the best photographers in the world. They made me America's Number one Pin Up. Cindy Margolis
O ay, letters - I had letters - I am persecuted with letters - I hate letters - nobody knows how to write letters and yet one has 'em, one does not know why - they serve one to pin up one's hair. William Congreve
pin up a picture Source: Internet
Chanel wore a 1940s pin-up girl costume for Halloween and called herself “Sergeant Sinner.” Source: Internet