大穴

Meaning

1. n
   large hole
2. n
   big deficit; heavy losses
3. n
   long-shot win (in horse racing, etc.); big winnings (on a long shot); a killing (made from a bet)

Example sentences

• 仮に競馬でたまたま大穴を当てたとしましょう。

  Let's suppose you happen to strike it rich at the races.