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! Ugh, Samantha got above herself after her book became a bestseller. A: "Bill has been so annoying lately." B: "I know, he really got above himself after being named manager."

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.

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!