Short for hoodlum
- a criminal of a thuggish nature - liable to mug, rob, steal, burgle (that's burglarize to anyone who speaks Yankish), create havoc at sporting venues (that's Soccer Hooligan
Hoodlums are not 'good-people'.
This word can be naively used to encourage the development of socially adjusted behaviour in one's offspring:
"Oy, you! - shutcha mahf - yor turnin' intwa right 'oodlum, you are."
Trans: "Excuse me, please be quiet, the making of excessive noise will lead to a life of crime."