knothead

n. a stupid person. Don’t be such a knothead!

Name	Pronounced	Usage
Roderick	RAHD-ə-rik (English), RAHD-rik (English)	English, Scottish, Welsh
Justus	YUWS-tuws (German), JUS-təs (English)	German, Dutch, Late Roman
Teresa	[tə'ri:zə]
Llewellyn	le-WEL-in	Welsh
Kiro	-	Macedonian
Verusha	-	Russian