B-Mac(ing)
B-Mac(ing) is when someone is too full of themselves to notice they're wrong. They argue with everyone just to feel important and then run when someone stands up to them.
He told me I was wrong about the math. I said I was right. He said I was wrong. I said he was wrong. He said I was wrong. I said he was wrong. He said I was wrong. He ran away.
He said he was the best at everything. I said I was. He said I was wrong. I said he was wrong. He said I was wrong. I said he was wrong. He said I was wrong. He ran away.
He said he could beat me in a fight. I said I could beat him. He said I was wrong. I said he was wrong. He said I was wrong. I said he was wrong. He said I was wrong. He ran away.