いば威張ibaruえば威張ebaru
1.

To present oneself in an imposing or authoritative manner, often with a sense of superiority, as if seeking to command respect or admiration from others.

2.

To behave in a way that suggests an excessive pride in one's abilities or achievements, often disregarding the feelings of those around.

3.

To adopt a condescending attitude while interacting with others, emphasizing one's own importance or status, and creating a sense of hierarchy in the relationship.

4.

To engage in actions or speech that display a boastful attitude about one's accomplishments, making others feel inferior in comparison.

Example:

あの人はあまり威張るから好きになれない。