Kray twins /ˈkreɪ ˌtwɪnz/
twin brothers called Ronnie (1935–1995) and Reggie(1935–2000) Kray, who were involved in a lot of violent crime in the East End of London during the 1960s. In 1969 they were found guilty of murdering two men and the judge ordered that they should go to prison for at least 30 years.

[TahlilGaran] Dictionary of Contemporary English ▲