Definitions

1. noun

A foolish or obstinate person

“He’s been called a fathead for refusing to listen to reason.”

2. noun

A person who is stubbornly resistant to change or new ideas

“The company’s CEO was seen as a fathead for rejecting innovative suggestions.”

3. verb

To treat someone or something foolishly or with contempt

“The politician was accused of fatheading her opponents in the debate.”