He insulted my teacher. I told him to stop. He said, 'Why?' I said, 'Because you’re obtusnoxious.' He said, 'What’s that mean?'

She asked me a question. I answered. She said, 'What?' I said, 'You’re obtusnoxious.' She said, 'I don’t know what that is.'

He kept making the same mistake. I told him. He said, 'I don’t know what you’re talking about.' I said, 'You’re obtusnoxious.' He said, 'What’s that mean?'