1. An avid listener of ska music, especially that of "traditional" and "2-tone" waves of ska.
2. A "gangster" (not to be confused with a "
gangstah") usually dressed in a suit and "gangster hat" or
bowler; a
trouble maker of the 1960's-1980's. (often British "gangsters").
3. The original definition, Jamaican gangsters, boys who caused trouble and were known as "rude" because of their attitudes.