Green’s Dictionary of Slang

(US) euph. for the Devil or hell.

1889		Dead Bird (Sydney) 28 Sept. 1/4: ‘You billy-be-dad-slammed hunk of soap fat!’.
1890		Bird o’ Freedom 22 Jan. 1: You billy-be-blowed hunk of soap fat!
1893		Yellowstone Dly Jrnl (Miles City, CT) 13 Apr. 2/4: Blankety blank the dad binged billy be dad busted slippery old coal hole covers to stagnation, and back again.
1909		‘O. Henry’ Roads of Destiny 132: You better say Miller and Gonzales, owners, and ordinary plain, Billy-be-damned old Samuel K. Boone, skipper.
1967		Jack Schaefer Kean Land n.p.: I thought you were another of those billy-be-damned real estate sharpers. Three of them already this week.