Англо-Русский Новый Словарь Современного Неформального английского языка - have it off with someone

have it off with someone expr BrE taboo sl He's been having it off with the typist in the conference hall Он трахал свою машинистку в конференц-зале They were having it off long before they were married Они спали еще задолго до женитьбы People are whispering that he has been having it off with his mother-in-law Люди говорят, что он жил со своей тещей How does he know she's not having it off whenever his back is turned? Откуда он знает, что жена не изменяет ему в его отсутствие?