noun
skyrocketing prices; breaking through the ceiling
Figurative expression for prices rising sharply, as if breaking through a ceiling. Often used in economic contexts.
原油価格が天井抜けの勢いで上昇している。
Crude oil prices are rising with skyrocketing momentum.
このままでは物価が天井抜けになりかねない。
At this rate, prices could go through the roof.
急騰 means a sudden surge, but lacks the 'breaking through a ceiling' imagery of 天井抜け.
Compound of 天井 (ceiling) and 抜け (coming out, breaking through), literally 'breaking through the ceiling', used figuratively for prices.