Exhibiting low intelligence, as if having only half a brain.

Alternative form of lamebrain

Alternative form of lamebrain

Used other than figuratively or idiomatically: see brain, damage. / (figuratively) stupidity

plural of brain damage

(anatomy, dated) The thalamencephalon.

Alternative form of brain bucket

(idiomatic, sometimes humorous) A protective helmet, as worn, for example, by a motorcyclist, bicyclist, or soldier in combat. / (dated) The skull.

(idiomatic) A narrative, commentary, etc. which amuses and holds one's attention, but which lacks intellectual depth or importance.

plural of brain farm