Clue-by-four

noun, slang

noun, slang ·Uncommon ·College level

Definitions

Noun
  1. 1
    A notional weapon used to knock sense into the clueless. figuratively, humorous, informal

    "If I think they're a jerk who's using a march to show how cool and open minded they are, I pull out the ol' clue by four."

Example

More examples

"If I think they're a jerk who's using a march to show how cool and open minded they are, I pull out the ol' clue by four."

Etymology

Blend of clue + two-by-four.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.