( informal ) used to say that you understand exactly what sb means or is trying to say, so it is unnecessary to say anything more :
'They went to Paris together.' 'Say no more!'
( informal ) used to say that you understand exactly what sb means or is trying to say, so it is unnecessary to say anything more :
'They went to Paris together.' 'Say no more!'
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005