English version

peeping Tom

From Longman Dictionary of Contemporary Englishpeeping Tompeeping Tom /ˌpiːpɪŋ ˈtɒm $ -ˈtɑːm/ noun [countable]  SYAPsomeone who secretly watches people, especially people who are taking off their clothes, having sex etcvoyeur
Examples from the Corpus
peeping TomBut any peeping Tom could come up with that.
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