Definitions for ac/dcˌeɪ siˈdi si
Random House Webster's College Dictionary
AC/DC*ˌeɪ siˈdi si(adj.)
sexually responsive to both men and women; bisexual.
Category: Status (usage)
Origin of AC/DC:
1960–65; after the electrical abbr.
alternating current or direct current.
Category: Electricity and Magnetism