Hell's Angel

noun

a member of a motorcycle gang of a kind originating in the US in the 1950s, who typically dress in denim and Nazi-style paraphernalia and are noted for their initiation rites, lawless behaviour, etc

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012