up one's own ass
prepositional phrase1
- Having an excessively high opinion of oneself, excessively preoccupied with one's own affairs, or lost in self-regarding abstraction.
- 16 February 2003, The Times - Motor Racing: Coulthard’s driving passion [David Coulthard on Michael Schumacher] Considering the success and money he's earned, it'd be easy for him to disappear so far up his own arse, but he hasn't; there's something down-to-earth there
- 19 February 2006 Sunday People - EXCLUSIVE: ON ME WEB CAM, SON! Just like Leslie Grantham who also slagged off his costars, Forgeham blasted Zoe as "egotistical" and said she was "full of herself...and up her own ass"