大穴
Meanings
Noun
1. large hole
2. big deficit; heavy losses
3. long-shot win (in horse racing, etc.); big winnings (on a long shot); a killing (made from a bet)
Kanji used
Pitch accent
おおあな
Examples1
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.