Dim-bulb

//ˈdɪm ˌbʌlb// adj

Definitions

Adjective
  1. 1
    Slow-witted, stupid. not-comparable

    "In Snow White [and the Seven Dwarfs], [Walt] Disney and his staff met the challenge of creating believable characters. Each of the seven dwarfs, from sober-sided Doc to dim-bulb Dopey, had a distinct personality."

Etymology

Probably a reference to the use of a light bulb in cartoons and comics to indicate that a person has had a bright idea.

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