used to show that you are angry or annoyed that sb has done sth stupid :
Trust him to go and mess things up!
Why did you have to go and upset your mother like that?
You've really gone and done it (= done sth very stupid) now!
used to show that you are angry or annoyed that sb has done sth stupid :
Trust him to go and mess things up!
Why did you have to go and upset your mother like that?
You've really gone and done it (= done sth very stupid) now!
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005