«إِيشْ كَبَّرَكْ عَنُّهْ، وِانْتَ ابْنْ عَمُّهْ؟»

The saying rebukes a person who puts on airs toward an equal. It challenges the basis of that pride by stressing that neither status nor merit sets the speaker above the other person.

It is used to puncture unjustified self-importance, especially when someone treats a peer with condescension. The kinship wording emphasizes their closeness and equal standing, not merely a family relationship.

Say it to challenge someone behaving arrogantly toward an equal, particularly when their shared standing makes the display of superiority seem baseless. It is a pointed rebuke rather than neutral advice.