一発いっぱつ

1. 1one shot ; one charge ; one explosion Translated by Jiyomi
2. 2one blow ; one punch
3. 3home run
4. 4one try ; one attempt
5. 5win on the first go-around after calling rīchi
6. 6ippatsu (comp. karuta) ; taking a card which is read immediately after sending it

Other writings and readings

JMdict entry 1165730 · frequency rank 7. Source and licence.