反そり身み

noun

strutting; sticking out the chest; arched posture

Describes a posture where the body is arched backward, chest thrust out, often with a proud or confident air. Used in contexts like martial arts, dance, or describing someone's bearing.

• 彼かれは反そり身みになって歩あるいている。

  He walks with his chest stuck out.

• 相撲すもうの稽けい古こで反そり身みの姿し勢せいを直なおされた。

  In sumo practice, my arched-back posture was corrected.