DefinitionC.-D.C. / AC/DC :
1. Bisexual or bisexuality. This modern coinage derives from comparing sexual current, alternating between homosexuality and heterosexuality, to the initials for the two types electricity: alternating current (AC) and direct current (DC).
Quote: Susan (Rosalind Russell) and Jerome (Jerome Courtland) in A Woman of Distinction (1950):
-- Susan: ' What sort of razor do you plan to use? '
-- Jerome: ' Electric.'
-- Susan: ' Oh? Are you... are you AC or... DC? '
2. In power eroticism, to alternate between the top (dominant) and bottom (submissive) roles.
Synonyms: acey-deucey; ambidextrous; ambisextrous; ambisexual; amphisexual; bi; bi-coastal; bi-curious; bicycle (rider); bike; bilingual; bisensual; caught between the pointers and setters; confused; convertible; dabbler; double-gaited; double-life (wo/man); fence jumper; fence sitter; flip-flop; flippy; gate-swinger; gilette blade; go both ways; gray cat; half bent; half and half; half-husband; he/she; hits both ways; non-gender specific; on the fence; play both sides of the fence; side saddle queen; swings both ways; switch-hitter; two-way baby; versatile; wear two (pairs of) shoes; wear bifocals. Antonym: monosexual.