(Well,) I'll be blowed!

(Well,) I'll be blowed!

old-fashioned An expression of surprise or astonishment, especially regarding some recent revelation. A: "You know, if you run your washing machine at night, you can save a lot of money on your electric bill." B: "I'll be blowed, I didn't know that!" Well, I'll be blowed! Who knew so many people would show up to see our concert?
Farlex Dictionary of Idioms.

I'll be blowed

used to express surprise, annoyance, etc. informal
See also: blowed
Farlex Partner Idioms Dictionary
See also:
  • I'll be blowed
  • blowed
  • darned
  • I'll be darned!
  • (Well,) I'll be darned!
  • (Well,) I'll be durned!
  • (well,) I'll be hanged!
  • (well,) I'll be!
  • I'll be hanged
  • I'll be!