Blind O'Reilly!

from the dictionary of slang and unconventional english:

' Blind O'Reilly!
a coll. expletive, mostly Army, ca. 20th C. Gerald Kersh, Bill Nelson, 1942. "the moment the place opens, in they dash. Blind O'Reilly! It's like a gold rush."
Ex. some legendary figure, some obscure piece of folklore.
"He was, they say, a liverpool docker trade-unionist ca. 1910"(Frank Shaw).