dim bulb

• (Received Pronunciation, General American) IPA^(key): /ˈdɪm ˌbʌlb/

dim bulb (plural dim bulbs)

1. (informal) A person who is slow-witted or stupid.
   • 2001 June 21, Richard Stengel, “Why George Bush is the Brer Rabbit of American Politics”, in Time:

     Dwight Eisenhower was roundly derided by the liberal intelligentsia as a Mr. Malaprop, a golf-playing, crony-loving dim bulb.

• dimbulb

• dimwit
• dope
• dunderhead
• nitwit
• See also Thesaurus:fool

• dim-bulb (adjective)