Cost a packet British informal verb phrase
If something costs a packet, it has a very high price.
Look at that gorgeous gown. It must cost a packet.
That bag cost me a packet.
To change the price of something
Used to indicate something that is very expensive
Be very expensive
To refer to a very high price.
The verb "cost" must be conjugated according to its tense.
Used to allude that the last force, problem or burden which is seemingly minor and small causes a person, system or organisation to collapse or fail
Her husband's violent act last night was the straw that broke the donkey's back and she left him