piss up a wall
Proposed by a contributor, not yet supported by evidence.
Meaning · English
To waste time or effort on something futile
Nghĩa · Tiếng Việt
lãng phí thời gian hoặc công sức vào việc vô ích
Machine-translated — suggest a fix
Literally: urinate up a wall
Where it’s used:
Used
Widespread English
Examples
He's been trying to fix the engine, but he's just pissing up a 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 2026-07-31; pending editor spot-check.
Common questions
What does “piss up a wall” mean?
To waste time or effort on something futile Literally: urinate up a wall
Is “piss up a wall” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.