go out the window—(of laws, principles, etc.) be abandoned:
- All rules went out the window. What was important was getting people into the helicopter and getting them out of the flooding.
go through the ceiling —(also: go through the roof )
1. (of prices, sales, etc.) increase very rapidly; surpass the expected limit:
- People are buying here because real estate costs in Boston have gone through the ceiling.
2. show extreme anger about smth.:
- A lot of the kids I’ve interviewed have parents who would go through the ceiling if they thought their kids were doing drugs.