Used when someone finds something of great worth after searching or trying for a while. They finally hit pay dirt in their search for a vintage comic book collection.
Pro Tip 2/3
Research Breakthrough
Often used in contexts like research or investigation where a significant discovery is made. After analyzing the data, the scientists hit pay dirt with a new vaccine formula.
Pro Tip 3/3
Not literal
It's figurative, not about actually finding dirt or soil that pays money. The tech start-up hit pay dirt with their innovative app, not by selling dirt.