I'll be blowed

alternative I'll be blown

1. UKdatedeuphemisticinformalUsed to express amazement and surprise.

   Well, I’ll be blowed if it isn’t my old school friend, John!

   3 more examples

   ‘[…] Luke at that there homnibus; why, darn me—’ and now, in his eloquence at this peculiar point, my friend became more loud and powerful than ever—‘why, darn me, if maister harns enough with that there buss to put hiron on them osses feet, I’ll—be—blowed!’

   1858, Anthony Trollope, chapter XV, in Doctor Thorne. […], volume II, London: Chapman & Hall, […], →OCLC, page 5

   The sound of his voice quickened the other’s memory, his face expanded to its fullest capacity, and he also broke into a laugh. “Why, Newman—I’ll be blowed! Where in the world—I declare—who would have thought? You know you have changed.”

   1876 June, Henry James, Jr., chapter II, in The American, Boston, Mass.: James R[ipley] Osgood and Company, […], published 5 May 1877, →OCLC, page 20

   “I’ll be blowed if it isn’t the kid,” ejaculated Wheeler.

   1893, Horatio Alger Jr., chapter XXX, in Cast Upon the Breakers

   Synonyms: blow me, blow me down, blow me over, blow me pink, blow me tight, crikey, gosh, I'm blowed