I. ˈ ̷ ̷ˌ ̷ ̷ noun
( -s )
Etymology: bust up, v.
1. : a breaking up or apart
the bust-up of camp
the bust-up of their marriage
2. : a big party or celebration
there'll be an awful crowd — a regular bust-up — Norman Douglas
II. noun
chiefly Britain : an outbreak of dissension or hostility : altercation ; also : a rough argument or fight : scuffle