んじゃう
tsukekonja u

Godan Verb (mu)
Godan Verb (u)

The completive aspect (contracted form) - indicates completion or regret of 漬け込む

1. To marinate (and imply it's done/overdone); To soak (and imply it's done/overdone); To steep (and imply it's done/overdone)

Completed Action
Colloquial