pay dirt, the opposite of winning big.
When Grandpa bought the farm he thought he was going to strike it rich, instead he struck pay dirt.
1. Any source of success or wealth; a fortunate discovery or profitable venture.
2. End Zone (football)
In Madden 11, When you can see a player scoring a TD a mile away Gus Johnson says, "next stop, "pay dirt."
When searching/looking for something, "pay dirt" nearly acts like using the word "jackpot."