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Webster 1913 Edition

Adj.

Supplied with brains.

If th’ other two be

brained

like us.

Shakespeare

brained ‎(comparative more brained, superlative most brained)

Having a particular kind or brain, as described by the word with which this term is combined, usually figuratively.
- 2010, Joe Bageant, AMERICA: Y UR PEEPS B SO DUM?:
  That's a tall order for a squirrel brained woman who recently asked a black president to "refutiate" the NAACP (though I kinda like refutiate, myself).

brained