good grief!

good grief!  {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:
See: GOOD NIGHT (2).
Categories: exclamation {informal} {interj.}