Green’s Dictionary of Slang

blind me! excl.

a mild oath.

1865		Leaves from Diary of Celebrated Burglar 55/1: Blind me! they can’t keep old brummy, no how — can they, eh?
1866		J. Greenwood Night in a Workhouse 19: Blind me, it’s true! Ain’t it, Punch?
1884		Hastings & St Leonards Obs. 6 Sept. 2/8: The prisoner [...] said, ‘God blind me, I’ll kill Fred when I get home’.
1903		H. Hapgood Autobiog. of a Thief 82: But gad! blind me if I ever want to fall in an ’amlet in this blooming State again.
1930		N. Lindsay Redheap (1965) 53: ‘Gord blind me eternally if I selp’ a wink orl night.
1960		D. Abse House of Cowards (1967) 39: God blind me if it’s not my last one. Go on, God, blind me, blind me.