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English definition of “aggro”

aggro

noun [U]     /ˈæɡ.rəʊ/ US  /-roʊ/ UK informal
violent or threatening behaviour, especially between groups of young people: There was some aggro between rival football fans at the station.Violent or aggressiveUnkind, cruel and unfeelingTreating people or animals badly trouble or difficulty: Why are you being so uncooperative? I don't need this aggro.Inconvenience
(Definition of aggro noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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