through the roof
(idiomatic, figuratively) Having risen to a very high level or amount.
Fuel prices have gone through the roof since last fall.
When I found out fuel prices are through the roof this winter, I hit the roof.
Synonym: through the ceiling
Antonym: through the floor
With hair, heels, and attitude, honey, I am through the roof. RuPaul
It was noon, quite light outside; inside it is not. A few cuts of sun break through the roof and walls but once there they are too weak to shift for themselves. Darkness is stronger and swallows them like minnows. Toni Morrison
The rise of anime had to happen. If the Japanese could tell better American stories, it would go through the roof. They still tell stories which are very much oriental. I take my hat off to them. Ralph Bakshi
I had never been to the playoffs, and it was exciting. The fans went through the roof. They were excited about the whole team. It was great to be traded to a city like Chicago, which was a lot like Boston. Dennis Eckersley
I had a problem with cops pulling me over all the time for speeding. When I was doing Hill Street Blues, the cops said how much they loved the show as they were writing me up; meanwhile my insurance went through the roof. Jennifer Tilly
Exercising with a trainer makes my quality of life go through the roof. Nadia Giosia