ambidextrous, adj. — Green’s Dictionary of Slang

ambidextrous adj.

[SE ambidextrous, capable of using both hands equally well]

a euph. for bisexual.

1927		‘Anomaly’ Invert (1948) 56: The bisexual has been nicknamed ‘ambidextrous’. This term is thoroughly descriptive [Simes:DLSS].
1959		F. Sargeson letter in Brickell Mates & Lovers 223: ‘[T]he ambidextrous beat and bodgie characters who exist in great numbers in this part of the world.’ [Simes:DLSS].
1961		M. Nelson When the Bed Broke 26: ‘So what’s worrying you? Haven’t you ever been with a girl who’s ambidextrous?’ [Simes:DLSS].
		1968‘John Coriolan’ Sand Fortress 116: Could it be that I am only a delicate quean like all those poor things and don’t know it? Only pose as AC-DC, ambidextrous, normal, well-rounded [Simes:DLSS].
1972		B. Rodgers Queens’ Vernacular.
1983		Neaman & Silver Euphemisms 241: Ambidextrous Sexually attracted to both men and women.
1999		DungeonNet.com 22 Jan. 🌐 I am a bisexual ambidextrous switch bitch goddess, with many diverse interests around, through and beyond the world of BDSM. Join me for some cyber-coffee!
2001		www.queerbychoice.com 🌐 Ambidextrous? Ambigendered? Ambisextrous? Ambisexual?