Douglas Harper's Etymology Dictionary
Usage examples of "peep-show".
Sunday-school superintendents, not bartenders, who chiefly patronize peep-shows, and know the dirty books, and have a high artistic admiration for sopranos of superior gluteal development.
The sign on the roof advertised ADULT MOVIES and EROTIC MASSAGE, the former exemplified by a peep-show channel on the TV, the latter by a vibrator gizmo attached to the bed.
The entrance was tucked between a peep-show bookshop and a novelty place, show windows stacked with whoopee cushions and plaster dog turds.