Definition of "aggro" []

• Chiefly British Slang Aggressive or violent behavior. (noun)
• Chiefly British Slang Irritation or exasperation: "Postponing new hospitals and roads causes far less aggro than sacking town hall or Whitehall workers” ( Economist). (noun)
• Slang Aggressive or violent. (adjective)
• Slang Daring and skillful, especially in a sport such as surfing. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Council inspectors to film 'aggro' mums HOLDFAST Bay parking inspectors are wearing mini video cameras to capture abuse from "aggro" mothers, pinged for illegally parking outside schools."
• "Tactical options are present and correct via a target marking system and the use of an "aggro" meter (more on that later), but in large you'll be doing a whole lot of running and a whole lot of gunning."
• "The aforementioned "aggro" system makes a comeback and is still simple to use yet rewarding as ever."