Dictionary

dim bulb

dim bulb

noun

: a person who is not very smart

Full Definition of DIM BULB

slang
:  dimwit

Examples of DIM BULB

  1. He was considered something of a dim bulb by his coworkers.
  2. <she's a dim bulb for sure, but he certainly didn't marry her for her brains>

First Known Use of DIM BULB

1927

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