The favourite oaths of the thieves of the present day are, “God strike me blind!” “I wish my bloody eyes may drop out if it is not true!” “So help me God!” “Bloody end to me!”
Definition taken from The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.
Oats * OarNathan Bailey's 1736 Dictionary of canting and thieving slang
John S. Farmer's collection of canting songs and slang rhymes