"Pinup" redirects here. For other uses of pinup or pin-up, see Pin-up (disambiguation). For the 1944 film, see Pin Up Girl (film).A pin-up girl, also known as a pin-up model, is a model whose mass-produced pictures see wide appeal as popular culture. Pin-ups are intended for informal display, e.g. meant to be "pinned-up" on a wall. Pin-up girls may be glamour models, fashion models, or actresses.These pictures are also known as cheesecake photos.The term pin-up may also refer to drawings, paintings, and other illustrations done in emulation of these photos (see the list of pin-up artists).