Green’s Dictionary of Slang

(US black) the ultimate in far-away, unpleasant places, the ‘back of beyond’.

1942		in Stetson Kennedy Palmetto Country in Major (1994).
1994		C. Major Juba to Jive 29: Bee-luther-hatchee; B. Luther Hatchett n. (1920s–1940s) a faraway, damnable place; the next station after the stop for the biblical hell; an absurd place or an ironic situation located in a particular place.