Definition of "knuckleheads" []

• Plural form of knucklehead. (noun)

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• "LAPD chief William Bratton seemed to play down the damage, telling a television crew that officers "used minimal levels of force, behaving very professionally" despite the actions of what he called "knuckleheads" -- not the name of a gang, though several miscreants have been identified by Bratton as gang members."
• "Gen. Michael Lehnert, who lobbies for fair prisoner treatment after realizing that many of the detainees are not "hardened terrorists" — as then-Secretary of Defense Donald Rumsfeld and President George W. Bush claimed — but rather "mixed-up boys with bad intentions — followers rather than leaders, and 'knuckleheads' rather than true jihadists.""
• "L. A.'s police chief says -- quote -- "knuckleheads" were beyond the bonfires, rock - throwing, and looting last night."