Definitions

1. noun

A person whose head is shaped like a cone, often used to refer to someone with a misshapen or unusual head.

“The kids in school used to tease him for being a conehead.”

2. noun

A person who is considered to be out of touch with reality or to have a distorted view of the world.

“After watching the conspiracy theory documentary, he was convinced he was a conehead.”

3. proper noun

A member of an ancient tribe in the Americas, known for their conical head shapes.

“The archaeologist studied the artifacts of the ancient coneheads.”