bang one's head against a brick wall
Proposed by a contributor, not yet supported by evidence.
Meaning · English
to persist in a futile effort
Literally: hitting one's head against a wall
Where it’s used:
Used
Widespread English
Examples
He's been trying to fix the engine for hours, just banging his head against a brick wall.
AI-drafted example auto-approved by rule (illustrative, not a corpus attestation)
Sources & notes
Listed in Wiktionary’s “English idioms” category (retrieved 2026-07-29); definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-07-30; pending editor spot-check.
Common questions
What does “bang one's head against a brick wall” mean?
to persist in a futile effort Literally: hitting one's head against a wall
Is “bang one's head against a brick wall” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.