( informal ) used to express surprise or disapproval that sb has been so selfish, etc.
HOW SELFISH, STUPID, UNGRATEFUL, ETC. CAN YOU GET?
Meaning of HOW SELFISH, STUPID, UNGRATEFUL, ETC. CAN YOU GET? in English
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005