{interj.}, {informal} Wow! Indication of surprise, good or bad. * /"Good grief," Joe cried out loud. "Is this all you will pay me for my hard work?"/ * /What a figure Melanie has, good grief! I wonder if she would be willing to go out with me./ Compare: GOODNESS GRACIOUS!, HEAVENLY DAYS!, HOLY CATS or HOLY COW or HOLY MACKEREL or HOLY MOSES. See: GOODNIGHT(2).
GOOD GRIEF!
Meaning of GOOD GRIEF! in English
Slang English vocab. Английский сленговый словарь. 2012