noun
pinup girl
A model or actress whose photograph is intended for pinning up on a wall; often used in a retro or vintage context.
彼の部屋には昔のピンナップガールのポスターが貼ってある。
There is an old pinup girl poster on his wall.
Variant with interpunct; less common in running text.
Loanword from English 'pinup girl'.