根性 こんじょうのすわっっちゃう
konjōno suwa'' chau

Godan Verb (u)
Pre-noun Modifier

The completive aspect (contracted form) - indicates completion or regret of 根性のすわった

1. To be thoroughly imbued with; ; To be possessed by (a spirit/determination); ; To be completely taken over by (something negative)

Completed Action
Colloquial