up oneself

comparative more up oneself · superlative most up oneself

1. CommonwealthIrelandUKslangSmug; arrogant; self-important and self-satisfied.

   Don't be so up yourself.

   4 more examples

   I don't like her; she is really up herself.

   2010, Deb Fitzpatrick, 90 Packets of Instant Noodles, Fremantle Press, page 151, They′re older and taller and more up themselves.

   There was a lot of yard bitching about Michelle, who was getting more and more up herself.

   2010, Jilly Cooper, Jump!, page 235

   I had felt too that Putin was far grander than before, much more up himself, a bit peevish.

   2012, Alastair Campbell, The Burden of Power: Countdown to Iraq - The Alastair Campbell Diaries, unnumbered page