腑ふ抜ぬける

ichidan verb, intransitive verb

lose one's energy; become spineless; be cowardly

Often used in the past tense 腑抜けた to describe a person who has lost their nerve or become weak-willed. Implies a lack of guts or resolve.

• 彼かれは失しっ敗ぱいしてすっかり腑ふ抜ぬけてしまった。