Plural of 'aggro,' British slang for aggressive behavior, violence, or an aggressive person.
From British slang 'aggro,' short for 'aggression' or 'aggressive,' emerged in the 1960s. It's an abbreviation that became a standalone word, following the pattern of British slang shortening longer words.
British youth culture in the 1960s created 'aggro' to quickly name street violence and rowdy behavior—it's a brilliant example of how slang efficiently compresses ideas, and this term stuck around because it captures something English doesn't have a quick word for.
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