be/get above yourself

be above (oneself)

To be acting in a conceited manner. Primarily heard in UK. Geez, you're above yourself these days—the rest of us have opinions worth hearing, too, you know!
See also: above

get above (oneself)

To act in a conceited manner. Primarily heard in UK. Geez, you've gotten above yourself these days—the rest of us have opinions worth hearing, too, you know!
See also: above, get
Farlex Dictionary of Idioms.

get above yourself

BRITISH
If someone gets above themselves, they act as if they are more important than they really are. I just think you're getting a little bit above yourself. I did not like the way he had clearly got above himself.
See also: above, get
Collins COBUILD Idioms Dictionary, 3rd ed.

be/get aˈbove yourself

(disapproving) behave as if you are better or more important than you really are: She’s getting a bit above herself. She’s only been working for me for two weeks and already she’s telling me what to do!
See also: above, get
Farlex Partner Idioms Dictionary
See also:
  • be above (oneself)
  • get above
  • get above (oneself)
  • get above yourself
  • have tickets on (oneself)
  • have tickets on yourself
  • puff
  • be puffed up with pride
  • be puffed up with pride, etc.
  • anyone would think (something)