Definition of aggro noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈæɡrəʊ//
    ; NAmE NAmE//ˈæɡroʊ//
    [uncountable] (British English, informal)
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  1. 1violent aggressive behaviour Don't give me any aggro or I'll call the police.
  2. 2problems and difficulties that are annoying I had a lot of aggro at the bank.
  3. Word Origin1960s: abbreviation of aggravation (see aggravate), or of aggression.