This is the 11471st most frequent Korean word.
끊고
"끊고" means "hanging up" or "disconnecting" (from 끊다, to cut off or stop).
끊고 is used here to indicate ending a phone call before doing something else.
나는 전화를 끊고 잠시 생각에 잠겼다.
I hung up the call and fell into thought for a moment.
끊고 is used here to describe severing a physical string or line to replace it.
그는 줄을 끊고 새로운 줄로 교체했다.
He cut the line and replaced it with a new one.
끊고 is used here symbolically to describe ending a personal relationship.