Your eyelids are heavy. Your butt has been asleep for the past hour. Your right hand is starting to develop "Lever Syndrome." But, as the good Lord is your witness, you're going to stay at this slot machine until you see those three blue sevens line up gloriously across the center line.
And then...it happens. All of your (hard?) work pays off. The stars (and bars) align, and you're in the money. $74,823 headed for your B of A account. You've hit the jackpot. Your parents will be so proud.
In finance, it's a similar deal, but instead refers to investments you've made in securities that suddenly see you reaping massive rewards.
Bought 1,000 shares of Shmoogle at IPO, and now it's a behemoth that's swallowed up Amazon, Google, Facebook, and PornHub? Yeah. Jackpot.