bust up - definition and synonyms

phrasal verb informal
present tense
I/you/we/theybust up
he/she/itbusts up
present participlebusting up
past tensebust up or busted up
past participlebust up or busted up
  1. 1
    [intransitive] British to have an argument and end a relationship

    We bust up six months ago.

    See also bust-up
See also main entry: bust