後あと腐くされ

noun

future trouble; lingering bad feelings; unfinished business

Refers to negative consequences or emotional residue that remains after a relationship, project, or event ends. Often used in the negative form 後腐れのない to describe a clean break.

• きちんと話はなし合あって、後あと腐くされのないように別わかれた。

  We talked it through and parted ways without any lingering bad feelings.

• この取とり引ひきは後あと腐くされが残のこらないように書しょ面めんに残のこしておこう。

  Let's put this deal in writing so there's no future trouble.