Hit the jackpot

Meaning

To have a sudden, unexpected stroke of good luck or to find exactly what you were looking for. It usually implies a significant payoff.

Excited, triumphant

Used in a sentence

• I found this rare first edition book at a garage sale and realized I had hit the jackpot.
• When we found that quiet little beach spot, we knew we had hit the jackpot.
• The new business model is hitting the jackpot with investors.