get above yourself
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!
get above yourselfBRITISH
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.