( informal ) used to say that you have not heard a particular idea, piece of information, joke, etc. before :
'Have you come across this before?' 'No, it's a new one on me.'
( informal ) used to say that you have not heard a particular idea, piece of information, joke, etc. before :
'Have you come across this before?' 'No, it's a new one on me.'
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005