to behave as if you are not ashamed or embarrassed about sth even though you should be :
Now that everyone knew the truth, the only thing to do was to brazen it out.
to behave as if you are not ashamed or embarrassed about sth even though you should be :
Now that everyone knew the truth, the only thing to do was to brazen it out.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005