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Noun: bust-up  'búst,úp
  1. A serious quarrel (especially one that ends a friendship)
    - slanging match [Brit]
Verb: bust up
  1. Smash or break forcefully
    - wreck, wrack

Derived forms: bust-ups, bust up, busts up, busting up

See also: bust

Type of: blue [Austral, NZ], destroy, dustup, quarrel, row[2], ruin, run-in, words, wrangle