Any tight spot between two large objects where in important things can get stuck or lost ie: between the kitchen stove and the refrigerator.
John: Becky have you seen the oven mitt?

Becky: the last I saw John, it was on top of the refrigerator.

John: Crap Becky! It's fallen and now it's stuck in the Devil's Ass Crack.
by The Great White Monkey June 12, 2023
Get the Devil's Ass Crack mug.