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AC/DC

or A.C./D.C. ac/dc, a-c/d-c, a.c.-d.c

Electricity.
1.
alternating current or direct current.

AC/DC

[ey-see-dee-see] /ˌeɪ siˈdi si/
adjective, Slang.
1.
sexually responsive to both men and women; bisexual.
Origin of AC/DC
1940-1945
1940-45, for an earlier sense; 1960-65 for this use
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for ac-dc

AC/DC

adjective
1.
(informal) (of a person) bisexual
Word Origin
C20: humorous reference to electrical apparatus that is adaptable for alternating current and direct current
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
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Word Origin and History for ac-dc

AC/DC

adj.

electronics abbreviation of alternating current/direct current, by 1898. As slang for "bisexual," 1959, said to have been in use orally from c.1940; the notion is of working both ways.

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for ac-dc

AC-DC

adjective

Practicing both heterosexual and homosexual sex; bisexual

adverb

: I think she does it AC-DC

[fr the abbreviations for the two types of electrical current, alternating and direct; an appliance that can operate with either type is marked AC-DC]

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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