AC/DC

¹ American

[ey-see-dee-see] / ˌeɪ siˈdi si /

adjective

Slang.

sexually responsive to both men and women; bisexual.

AC/DC ² American

Or A.C./D.C.,

Electricity.

alternating current or direct current.

AC/DC British

adjective

informal (of a person) bisexual

"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

Etymology

Origin of AC/DC

1940–45, for an earlier sense; 1960–65 for this use

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Marine Band ripped off a sharp rendition of “Thunderstruck” by AC/DC.

From The Wall Street Journal • Jun. 15, 2026

Diodes are essential components in modern electronics and are used in AC/DC conversion, signal processing, and LED devices.

From Science Daily • Jan. 25, 2026

On the radio, “Hells Bells” by AC/DC sounded my arrival.

From Salon • Dec. 12, 2025

A Spotify mix blared “Don’t Fear the Reaper,” AC/DC and the ever-annoying “Hey, Soul Sister” by Train.

From Los Angeles Times • Jun. 28, 2025

Or, for air-guitarists, something like the opening to “Back in Black” by AC/DC: DUM!

From "Words Like Loaded Pistols" by Sam Leith

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023