一発屋 (いっぱつや) — one-hit wonder; flash in the pan
一発屋
い っ ぱ つ や
One-hit wonder; flash in the pan
All-or-nothing gambler; one-shot speculator; someone who puts all one's eggs in one basket
Slugger; home-run batter
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一発屋 (いっぱつや) — one-hit wonder; flash in the pan
