Green’s Dictionary of Slang

ding-batty adj.

mad, crazy.

1911		L. Pound ‘A Second Word-List From Nebraska’ in DN III:vii 542: dingbatty, adj. Half crazy, imbecile. ‘That fellow is dingbatty’.
1937		E. Anderson Thieves Like Us (1999) n.p. : You’re going to go ding-batty out here.
1974		T.E. Hyde Single Grandmother 4: Our oblique approach to men and things (which is variously called flea-brained, flighty, frivolous, illogical, intuitive, mysterious, devious, and dingbatty).
1986		S. Cary It Must Be Five O'clock Somewhere 191: She chattered on and on in her sweet, dingbatty way, asking the young male interviewer highly inappropriate personal questions.
1996		Spy Sept. 27: MTV’s civic-minded ‘Choose or Lose’ enterprise, [...] , in which the dingbatty Soren travels the nation by bus.
2008		posting at www.answerbag.com Apr. 12 🌐 I’m gonna go with the bodacious, beautiful and yet ding-batty Tyra Banks.