AC/DC

   indulging in both heterosexual and homosexual practices

   • The reference is to the incompatible direct and alternating current in electricity supply.

   Also spelt phonetically as acey-deecy:

    Young attractive housewife, AC/DC, would like to meet married AC/DC people to join well-endowed husband for threesomes or moresomes. (Daily Telegraph, May 1980) So, he was acey-deecy... Lots of old altar boys play hide-the-weenie when they shouldn't. (Sohmer, 1988)