fall about
US /fɔːl əˈbaʊt/
UK /fɔːl əˈbaʊt/

1.
배꼽 빠지게 웃다, 웃겨 죽다
to laugh uncontrollably
:
•
The comedian was so funny, we were all falling about.
코미디언이 너무 웃겨서 우리 모두 배꼽 빠지게 웃었다.
•
Every time he told that joke, people would just fall about.
그가 그 농담을 할 때마다 사람들은 배꼽 빠지게 웃었다.