'bust-up' definitions:
Definition of 'bust-up'
(from WordNet)
noun
A serious quarrel (especially one that ends a friendship)
Definition of 'bust-up'
From: GCIDE
- bust-up \bust-up\ n. a serious quarrel (especially one that ends a friendship). [WordNet 1.5]
- With some antick bustoes in the niches. --Ashmole. [1913 Webster]