falling-out
US /ˈfɔːlɪŋ aʊt/
UK /ˈfɔːlɪŋ aʊt/

1.
perselisihan, pertengkaran, perpecahan
a quarrel or disagreement
:
•
They had a serious falling-out over money.
Mereka mengalami perselisihan serius mengenai uang.
•
Their friendship ended after a bitter falling-out.
Persahabatan mereka berakhir setelah perselisihan pahit.