Some examples of word usage: fathead
1. My brother can be such a fathead sometimes, always making silly mistakes.
2. Don't be a fathead and forget your keys again.
3. I can't believe that fathead cut me off in traffic.
4. He's such a fathead, always thinking he knows everything.
5. Stop being a fathead and just admit you were wrong.
6. I can't stand working with that fathead in the office.
7. It takes a fathead to believe such nonsense.
8. She called him a fathead for not listening to her advice.
9. You're being a fathead if you think you can finish that project by yourself.
10. He's such a fathead, always making dumb decisions.