Green’s Dictionary of Slang

blast! excl.

also blastation! blast it!

a mild. excl.; euph. for damn! excl.

[UK]Pope ‘Satires of Horace’ in Works II 121: Oldfield [...] Cries, ‘send me, Gods! a whole Hog barbecu’d!’ Oh blast it, south winds! till a stench exhale Rank as the ripeness of a rabbit’s tail.
[UK]‘Wednesbury Cocking’ in Out-and-Outer in Spedding & Watt (eds) Bawdy Songbooks (2011) IV 131: B—t you, if you don’t hold your rattle.
[UK]R.S. Surtees Handley Cross (1854) 207: ‘Blastation!’ screamed the little old gentleman.
Nashville Daily Union 26 June 2/4: ‘Blast ye,’ cried the irishman, ‘stick that in your haversack and stop yer jaw!’.
[US]‘Ned Buntline’ Life in the Saddle 5: Blast it, you’ll be a whipped silly bub, if you don’t tie up your tongue.
Wkly Kansas Chief (Troy, KS) 26 Dec. 1/2: Blast! [...] we shall have to let it slide!
[Aus]Truth (Sydney) 21 Jan. 6/6: Likewise little cuss words / Such as ‘blast’ and ‘blow’ / Quite as much as wuss words / Fill the place below.
[US]St Louis Republican (MO) 5 June 11/1: When I asked him three times for his fountain pen [he said] ‘Blast it, no!’.
[US]Day Book (Chicago) 24 Mar. 32/2: Blast it! I’m twenty-four cents off.
Drew & Evans Grifter 115: ‘Blast him and the Tote too’.
[Aus]C.J. Dennis ‘The Knight’s Return’ in Chisholm (1951) 87: If you can’t look ’er fair bang in the eye / An’ feel you’ve earned that trust frum first to last, / You’re ’eadin’ downward fast . . . / But Rose — Oh, blast!
[UK]F. Bason Diary I (1950) 51: Blast the bloody cap!
[Aus]X. Herbert Capricornia (1939) 397: Oh blast it! [...] I know who it was.
[UK]Wodehouse Mating Season 68: Oh, hell! Oh, blast! Oh, damn!
[UK]Wodehouse Jeeves and the Feudal Spirit 2: No, out, blast it!
[UK]E. Bond Saved Scene ix: O blast! I caught me stockin’.
[UK]C. Dexter Last Seen Wearing in Second Inspector Morse Omnibus (1994) 382: It may have gone with the last pile. Blast.
[US]Fantastic Four Annual 40: I know you, blast it!
[UK]J. Poller Reach 7: ‘Blast!’ says Judy, who, having somehow stubbed her toe, hops into the room.