Green’s Dictionary of Slang

confoundedly, exceedingly.

1866		C.H. Smith Bill Arp 72: The dog wasn’t so blame fat as you might suppose. I’ll be darn’d if he didn’t starve to death.
1898		H. Macfall Wooings of Jezebel Pettyfer 395: She war a blame fine woman.
1908		H. Green Maison De Shine 81: Oh, am I allus to be cursed with gells too blame lazy to stir a step!
1913		D. Runyon ‘The Hole in the Horn of Plenty’ 13 May [synd. col.] ‘Dine where you blame please’.
1915		H. Hershfield Abie the Agent 14 July [synd. cartoon strip] You ought to [...] tell him that you are blamed sore.
1924		S. Scott Human Side of Crook and Convict Life 79: I blamed well dreams of ’er an’ sees ’er in the dawn.
1926		E. Walrond Tropic Death (1972) 143: Pity it was so blamed dark!
1938		B. Conlon ‘Rope Meat’ in Wild West Weekly 22 Oct. 🌐 Yo’re blamed whistlin’ he was, Trig!
1942		Z.N. Hurston ‘Story in Harlem Sl.’ in Novels and Stories (1995) 1005: You over-sports your hand your ownself. Too blamed astorperious.
1947–53		W. Guthrie Seeds of Man (1995) 259: We’ be sa dam-blame afraid.
1951		S. Lewis World So Wide 16: It’ll be blame inconvenient.
1967		J. Schaefer Mavericks (1968) 133: What he did was almighty lucky for you but it wasn’t so blamed special.