Through the roof.
Through the roof.
Through the roof" is an expression used to describe something that has increased or risen to a very high level, often more than was expected or considered normal. Frequently spoken in the context of prices, costs, or rates, this idomy captures how something shoots up so dramatically, it's as if it’s breaking through the limits of a roof. It can also relate to emotions, like excitement or anger, suggesting an extreme level that is hard to contain.
Their excitement went through the roof.
It means their excitement increased dramatically.
My joy when I got the promotion was through the roof.
It implies that getting the promotion made them extremely happy.
The stock prices went through the roof after the company announced its new product line.
It indicates that the stock prices significantly increased after the company’s announcement.