When something goes horribly wrong. When the task is rushed or a false move is made, there is a sudden collaspe and everything is lost!
Can be related to anything, a bad nights drinking results in being Bum-Hole Jenga'd.
"I was drifting round a bend and pushed too hard and ended up playing a game of Bum-Hole Jenga"
"I started the night off with a pint of vodka, milk and rum. I was Bum-Hole Jenga'd within the hour."
Biting into a delicious smelling pre-packaged, school safe brand banana bread only to find it tastes so revolting it's reminiscent of a bum hole. You spit it out immediately and notice wispy cotton candy like mold on the banana bread you just ate.
Jolyne: "Did I tell you about the bum hole banana bread I ate yesterday?"
Hermes: "Yeah, you never shut up about it"
Jolyne: "Well good, it was the worst experience of my entire life!