TROILISM


Meaning of TROILISM in English

/ ˈtrɔɪlɪzəm; NAmE / noun

[ U ] sexual activity involving three people

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WORD ORIGIN

1950s: perhaps based on French trois three.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.