A particularly remote, inconvenient location. Akin to the informal use of 'Siberia.'
"When should we leave to get to Carla's house on time?"
"Well, she lives in East Bejesus, so I guess we better get going now."

Also:

"The mall is so busy today, I had to park in East Bejesus."
by Zwieback January 12, 2018
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