Green’s Dictionary of Slang

1. (US) eccentric.

1976		Exile 4 n.p.: Certain afternoons when l’d prefer to be alone and Julie is going in circles around me, l get quite ditzy and schitzy. l call it my maternal malaise.
1979		Interior Design 50 88: The ditzy prints of last year were replaced with chic natural/neutral fabrics that seem to be very much in keeping with American tastes.
2004		J. Ellroy ‘Jungletown Jihad’ in Destination: Morgue! (2004) 369: Jomo-Donny and Sandra Saperstein, horny Hollywood wife – dig this ditzy extract.
2017		Observer New Rev. 5 Feb. 16/1: She was really ditsy .

2. (orig. US, also dits) esp. of women, scatterbrained, silly; also as n.

1974		Mitzell & Abbott Myra and Gore 25: And there she goes again, the ditzy queen, referring to herself in the third person.
1976		Texas Monthly Feb. 64: Besides menus of ‘ditzy ladies’ things,’ these places had loads of cozy charm, an occasional fashion show, and cheerful service.
1980		Maledicta III 245: In this new age of the New Woman, the only old-fashioned girl left may be the drag queen who apes a ditzy, decorative female largely obsolete.
1983		R. Price Breaks 45: Her ditsy-dotty old aunty inflections.
1984		Eble Campus Sl. Mar. 2: dits, ditsy – a scatterbrain, scatter-brained.
1997–2000		Da Bomb 🌐 9: Ditsy: Stupid.
1999		Guardian Rev. 10 July 12: The old Hollywood stereotype of the loveable but ditsy female.
2000		Observer Screen 9 Apr. 3: I like the fact that it is intellligent, and knowingly funny, but never ditsy.
2000		Guardian 8 Jan. 11: Bridget Jones, the ditzy career girl who counts her days in calories.
2005		J. Stahl I, Fatty 162: She liked to play the ditzy little girl.
2008		T. Piccirilli Fever Kill 183: She loved being incapable and sorta ditsy.
2018		G. Gilmore Class Act [ebook] She was as ditzy as — that’s what all the locals said.

3. nervous, edgy.

1978		L. Kramer Faggots 160: When Possibility reared its impossible head, Fred became a slightly helpless, slightly speechless, bordering on the ditzy, futile wreck.
1986		R. Campbell In La-La Land We Trust 155: No need to get ditsy.