Cost a bomb American British informal slang
The idiom cost a bomb is a slang expression often used in informal conversation when buying something with a very high price. She attended the fashion show with the necklace costing a bomb.
Used to indicate something that is very expensive
Chanel is one of the high-quality clothing brands in the world, so all of clothes branding Chanel always cost a bomb.
We had to cancel our journey to Hawaii Island in this summer holiday since the flight tickets cost a bomb.
Almost apartments in this Landmark 81 - a super-tall skyscraper in Ho Chi Minh City - cost a bomb.
To change the price of something
Have a very high price
Be very expensive
To refer to a very high price.
The verb "cost" should be conjugated according to its tense.
To be very wet
Because of forgetting bringing an umbrella, I look like a drowned rat when it rains.