칼퇴
kaltoe
Leaving work exactly on time.
Origin칼 (knife, meaning exactly) + 퇴근 (leaving work).
When to useBragging that you left right at 6.
CarefulSaying it in front of your boss can sound like a complaint.
Examples
오늘은 무조건 칼퇴할 거야.
I'm leaving right on time today, no matter what.