Green’s Dictionary of Slang

an out-of-the-way place, a small town.

1955		J.P. Donleavy Ginger Man (1958) 13: I told her she was a tub of lard and I wouldn’t take her to East Jesus.
1965		(con. 1940s) B. Behan Confessions 184: Look buddy [...] this is Europe, not East Jesus, Kansas.
1975		L. Block Topless Tulip Caper in Affairs of Chip Harrison (2001) 553: Five years from now she’ll be Assistant Fish Librarian in East Jesus, Kansas.
1989		H. Rawson Dict. of Invective (1991) 306: East Jesus, four corners, ghost town.
1994		M. Childress Crazy in Alabama 86: She knew one thing: She had not come all this way to get herself arrested in East Jesus, New Mexico.
2002		D. Allison On the Whispering Wind 112: They blow their wad [...] on long circuitous cab rides, as Cassidy describes them, ‘from East Jesus to West Buttfuck.’.