up one's own ass
Proposed by a contributor, not yet supported by evidence.
Meaning · English
completely absorbed in oneself
Literally: physically inside one's own anus
Where it’s used:
Used
Widespread English
Examples
He's so up his own ass that he never listens to others
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 “up one's own ass” mean?
completely absorbed in oneself Literally: physically inside one's own anus
Is “up one's own ass” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.