Shit’s gonna hit the fan

Shit’s(a problem that has been avoided or that is waiting to be fixed) gonna hit the fan(theoretically the problem is going to “explode”, “combust” and make things worse by hitting the fan)

“Why don’t you just a get a divorce?”

“but then it’s going to make her want custody”

”We’ve been arguing about everything”

“The way she’s been acting seems like She wants to get a divorce too”

“It’s just a matter of time before shit’s gonna hit the fan”