Meaning of CRACKED in English
up to be [adjective] [after verb; not gradable] [informal]This new washing powder is not all it's cracked up to be (= not as good as it is claimed to be).See also crack up at crack (BREAK).They're always cracking it up to be (= claiming it is) the best, but I'm not so sure.
Cambridge English vocab. Кембриджский английский словарь. 2012