a picture of a sexually attractive and usually famous person, especially someone wearing few clothes

Every wall in her bedroom was covered with pin-ups of her favourite pop star. 她卧室里的墙上挂满了她最喜欢的流行歌星的图片。

a person who is seen in pin-ups

With his perfect college-boy looks, he's the latest teenage pin-up. 因为有着帅气的大学生般的外表，他成为了最新的青少年偶像。