noun
- a stupid or foolish person
Usage: informal; derogatory; chiefly North American
Examples
- He called his friend a knothead after he forgot the meeting time.
- Don't be such a knothead—the instructions were right there on the box.
- That knothead drove straight through a red light.
- I felt like a knothead when I realized I'd been looking for my keys in my pocket the whole time.