뒤끝이 · 뒤끝을
lingering grudge; aftermath
Example
그 사람은 뒤끝이 없어서 금방 화가 풀려요.
He doesn't hold grudges, so his anger fades quickly.
Word parts
뒤 'after' plus 끝 'end' — what's left after something is over.
Good to know
뒤끝이 있다 means someone holds grudges; 뒤끝이 없다 means they get over things fast.