1890 J. S. Farmer I. 230/1 Blimey, a corruption of ‘blind me!’; an expression little enough understood by those who constantly have it in their mouths.
1923 E. O'Neill v. 47 There's a 'ole mob of 'em like 'er, Gawd blind 'em!
a1953 E. O'Neill (1955) 523 'E ain't arf a sly one wiv 'is talk of submarines, gawd blind 'im.