strike gold
idiomPart ofgold
strike gold — idiom
1. to suddenly find or achieve something that brings great success, wealth, or happ
1.idiom
Definition
to suddenly find or achieve something that brings great success, wealth, or happiness, like finding a rich source of gold.
Example
The small technology company struck gold when its app became the most downloaded of the year.
Antonia felt she had struck gold when she found a first-edition novel at a charity sale.