Rattle-brained

Rat´tle-brained`

    (răt´t'l`brānd`)
a.1.Giddy; rattle-headed.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in classic literature ?
He was neither rattle-brained, like Bert, nor coarse like other men she had encountered.
And celebrities who complain about lack of privacy while at the same time flogging every sordid detail of their lives via magazines and reality shows can be Jaded Outrageous Rattle-brained Devious Annoying Numpties (The JORDANS.)
The legal system in Bahrain should impose stringent punishment on this rattle-brained offender and ensure compensation is paid to victim's family.