a. [f. prec. + -ED.] Having little judgment, foolish and light-headed, silly.
1530. Palsgr., 308/1. Cokbraynde, lyght, fole hardye, saffre.
1548. Udall, Erasm. Par. Luke iii. 44 b. The light and cockbrayned facion of the multitude.
1630. J. Taylor (Water P.), Wks., II. 38/2. These puckfoyst cockbrain’d coxcombs, shallow pated.
1777. Poor Robin (N.). Now cock-brain’d youths will throw at cocks.
1856. F. E. Paget, Owlet of Owlst., 158. My youth may make me crude and cock-brained.
