I'm going to call my brother a dick
Why are you so mean to your brother?
He was being such an asshole to me, he mocked my school grades.
It's rude to call other people such things. You are expected to get along with your brother.
No need to get cha tail in a twist.
Listen, I know it can be difficult to get along with family members, but he is your brother and it's still wrong to call him names. Deep down, I'm sure you love him.