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

1.
morirse de risa, partirse de risa
to laugh uncontrollably
:
•
The comedian was so funny, we were all falling about.
El comediante era tan divertido que todos estábamos muriéndonos de risa.
•
Every time he told that joke, people would just fall about.
Cada vez que contaba ese chiste, la gente simplemente se moría de risa.