(usually used in the progressive tenses) ( NAmE ) ( of a telephone ) to ring many times :
The phone has been ringing off the hook with offers of help.
(usually used in the progressive tenses) ( NAmE ) ( of a telephone ) to ring many times :
The phone has been ringing off the hook with offers of help.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005