ON YOUR (OWN) HEAD BE IT


Meaning of ON YOUR (OWN) HEAD BE IT in English

used to tell sb that they will have to accept any unpleasant results of sth that they decide to do :

Tell him the truth if you want to, but on your own head be it!

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