( BrE , informal ) a combination of confidence and lack of respect :
I didn't think she would have the brass neck to do that.
( BrE , informal ) a combination of confidence and lack of respect :
I didn't think she would have the brass neck to do that.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005