hooligan

1. (informal, attributive) A young person who causes trouble or violence, typically as a member of a gang or other group.Examples: "She also heard boys from other classes behind her talking: “So, Teacher Tang is a female hooligan.”"; "And I was in danger of turning into a right little hooligan if left to my wayward ways."; "“You are hooligan, you try to make trouble.” Sam paused, then continued. “Ah ha ha ha, I am right, I see it in your eyes. A hooligan!”"Synonyms: agitator, bad boy, bad news, bear, bhoy, blackguard, booger, boot boyattributiveinformal

2. (slang, US) A member of the United States Coast Guard.Examples: "Many professional Navy and Coast Guard men were inclined to scoff. What kind of Navy was this, and what did they think they were up to, anyway? This bunch of hooligans wouldn't be any good to anyone; wouldn't be worth the powder to blow 'em to hell. Hooligan's Navy."; "It often seemed to Al that the entire Coast Guard was a little embarrassed about being Coast Guardsmen—except maybe the cocky bearded men off the convoy cutters, who needed to apologize to no man because of any lack of battle stars. But in general, Army and Navy guys looked down on Hooligans."; "I frequently notice that the hooligans (a respectful reference to the U.S. Coast Guard) are a hard act to follow."USslang