money tree

noun

1. a fanciful tree that when shaken sheds coins or paper money.
2. Informal. a good source of money, funds, or revenues; gold mine.

Example Sentences

"The magic money tree is back," he told MPs.

From BBC

Manila Mayor Honey Lacuna lit a “money tree” and led a ceremony to mark what she and other officials said was the 430th founding anniversary of the Binondo district.

From Seattle Times

Ella used to love watching her family’s money tree being brought out from their vault and trimmed when her mama or papa made a withdrawal.

From Literature

Mr. Sembler, who developed more than 350 shopping centers and other retail projects in the Southeast, was a sought-after fund-raiser for Republicans, capable of shaking the money tree for $11 million at a single dinner.

From New York Times

In the past, the Conservatives have used the "magic money tree" line to attack Labour's plans for spending in government.

From BBC