This is the 11755th most frequent Korean word.
내둘렀다는
"Swung around" or "flung around."
The term "내둘렀다는" refers to an action of swinging or flailing something passionately or strongly in this context.
그는 화가 나서 주먹을 내둘렀다는 이야기를 들었어요.
I heard that he angrily swung his fist.
In this sentence, "내둘렀다는" describes the action of waving or swinging arms energetically.
아이들이 운동장에서 팔을 내둘렀다는 말을 들었어요.
I heard that the children were waving their arms on the playground.
Here, "내둘렀다는" indicates an intense or passionate movement of the handkerchief by the woman.