oh my heavens 

When you see or hear some thing shocking or disturbing that you were not expecting, you say "Oh my heavens"
Like Oh my God

Joseph: "do you know what this pic is about?"
Maria: "Well, i don't know. Can you tell me Joseph?"
Joseph:"This is about children who died due to the chemical weapons"
Maria: "Oh my heavens"

oh my heavens by Goforit July 11, 2014

Oh, my heavenly days

An expression of shock or surprise.

George: "Hello there."
Bree: "Oh, my heavenly days. Rex, look! It's George."

Oh, my heavenly days by jc376 May 18, 2005