# up one's own ass

> English word · Prep_phrase

## Definitions
1. Having an excessively high opinion of oneself, excessively preoccupied with one's own affairs, or lost in self-regarding abstraction.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/up-one-s-own-ass