peepshow

UK: /ˈpiːpʃəʊ/

Collins Concise English Dictionary © HarperCollins Publishers::

peepshow / ˈpiːpˌʃəʊ/ noun

1. Also called: raree show a small box with a peephole through which a series of pictures, esp of erotic poses, can be seen
2. a booth from which a viewer can see a live nude model for a fee

WordReference Random House Unabridged Dictionary of American English © 2025

peep′ show′, 

1. a display of objects or pictures viewed through a small opening that is usually fitted with a magnifying lens.
2. Cinema a short, usually erotic or titillating film shown in a coin-operated viewing machine equipped with a projector.
• 1850–55