bubbleheaded

adj

adj

Etymology From bubble + headed.

Informal Stupid; vacuous.

Then at the last minute Harris was brought aboard as Dr. Zachary Smith, initially an authentic, lip-curling nogoodnik who, it was presently discovered, could be better used for laughs played off Mumy and a sober-sided robot (“You bubbleheaded booby,” sneers Harris. “That does not compute,” returns the robot dryly).1966 September 24, TV Guide, Radnor, Pa., page 25, column 1:

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