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:
  • (Well,) 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!
References in periodicals archive
Whale I'll be blowed -- the chance is on offer to sing at a Tyneside venue like one of the creatures of the deep.
WHALE I'll be blowed - the chance is on offer to sing at a Tyneside venue like one of the creatures of the deep.
Apparently it's something to do with reincarnation, but I'll be blowed if I can say exactly what.
Dwindling membership has meant that without mouth organ donors, Stourbridge-based 'Well I'll Be Blowed' faces an uncertain future.
Well I'll Be Blowed has met at four different venues over the years and is grateful to Age UK for providing the current room they use.
So I'll be blowed if I have to carry on covering myself up because the fashion police decree that although my body complies with their strict size requirements, my age has unfortunately slipped over the limit where I'm allowed to "have fun with fashion".
I'LL be blowed - we went all the way to the Black Country's most remarkable building and found the furnace had gone out.
I've wasted my Saturday afternoon watching it, and I'll be blowed if I'm going to waste part of my Saturday evening thinking of something to say about it.
Well I'll be blowed. As soon as the draw was made it was obvious that trouble was a certainty.