Interjection: "May God blind me!" was once a serious oath, not sworn in
anything but earnest. It'
s shortening was partly to avoid offence and partly for brevity. See also gawd
blimey.
Part of a song by
Lonnie Donegan:
'Oh, my old man's a dustman,
He wears a dustman'
s hat,
He wears cor-blimey trousers
And he lives in a council
flat...'