( informal ) used when several unfortunate or unpleasant things happen on the same day :
My car broke down and then I locked myself out—it's just not my day!
( informal ) used when several unfortunate or unpleasant things happen on the same day :
My car broke down and then I locked myself out—it's just not my day!
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005