noun
long-shot ticket; ticket paying 100x or more
Horse-racing term for a betting ticket whose payout is at least 100 times the stake. Often used when an unexpected horse wins.
今日のレースで万馬券が出た。
A long-shot ticket hit in today's race.
彼は万馬券を当てて大喜びだ。
He's overjoyed after hitting a ticket that paid over 100 times.