Entry from British & World English dictionary
noun (plural scallies)informal
(In the north-west of England, especially Liverpool) a roguish self-assured young person, typically a man, who is boisterous, disruptive, or irresponsible: at her Birkenhead school she was head girl, but also had a reputation for being a scally
1980s: abbreviation of scallywag.
Definition of scally in:
- The British & World English dictionary