DON'T YOU DARE!


Meaning of DON'T YOU DARE! in English

( informal ) used to tell sb strongly not to do sth :

'I'll tell her about it.' 'Don't you dare!'

Don't you dare say anything to anybody.

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