good grief!

[good grief!] {interj.}, {informal} Wow! Indication of surprise,good or bad.

"Good grief," Joe cried out loud. "Is this all youwill pay me for my hard work?"

What a figure Melanie has, goodgrief! I wonder if she would be willing to go out with me.

Compare:GOODNESS GRACIOUS!, HEAVENLY DAYS!, HOLY CATS or HOLY COW or HOLYMACKEREL or HOLY MOSES. See: GOODNIGHT(2).