Big Swinging Dick



  • noun a forceful, powerful individual. The term evokes a large virile male and is in use particularly among financial traders, first in wall street, and subsequently in the City of London. Impressive female colleagues were known in London as Honorary Big Swinging Dicks. The term was sometimes disguised as B.S.D.
  • acronymBSD


  • noun a version of the UNIX operating system developed by the University of California, Berkeley