腰を抜かす

こしをぬかす

Meanings

1. Expression, Godan verb to dislocate one's back See also: 腰抜かす (こしぬかす).
2. to be unable to stand up due to fear or surprise

Kanji

• 腰 waist. Read as こし.
• 抜 pull out. Read as ぬかす.

Jinuma: Japanese Dictionary · Word lists