(well,) imagine that!

(well,) imagine that!

An expression of surprise, astonishment, or disbelief, especially regarding some recent revelation. Bob: "You know, if you run your washing machine at night you can save a lot of money on your electric bill." John: "Well, imagine that! I've never heard of such a thing!" Four hundred people came to see our concert tonight? Imagine that!
See also: imagine
Farlex Dictionary of Idioms.
See also:
  • imagine
  • (well,) I'll be hanged!
  • (well,) I'll be!
  • I'll be hanged
  • I'll be!
  • (Well,) I'll be darned!
  • I'll be darned!
  • darned
  • I'll be blowed
  • blowed