Definitions
There are 2 meanings of the phrase
Pay Dirt.
Pay Dirt - as a noun
Ore that yields a substantial profit to the miner
A profitable success
Example: "The inventor worked for years before hitting pay dirt"
Example Sentences
"After searching for hours, the miners finally struck pay dirt."
"The archaeologists sifted through the sand and found pay dirt."
"The company invested in the drilling project, hoping to hit pay dirt."
"The treasure hunters believed the old map would lead them to pay dirt."
"The geologists discovered a promising area that might contain pay dirt."