Nest egg British noun phrase informal common
A sum of money that has been laid aside for a particular purpose.
She had a tidy nest egg of 6000 dollars.
He lost his nest egg on foolish investments.
Lily decided to put all her nest egg in the stock market.
save as much money as possible
Used to say that someone attempts to get money from you.
Feeling worried about finance.
To not spend over one's butget
The idiom refers to the practice of placing an egg in a hen's nest to urge her to lay. However, the link between this approach and savings is unclear. The phrase has been used in figurative form since the 17th century, with the earliest record dating back to 1686.