also: ピープショウ
noun
Refers to an exhibition or performance viewed through a small opening, or a venue offering such entertainment. The term is a direct loan from English and carries the same cultural connotations.
昔の遊園地にはピープショーがあった。
There used to be peep shows at old amusement parks.
彼はピープショーを見るためにコインを入れた。
He inserted a coin to watch the peep show.