rockhead

n. someone who seems to have rocks in the head; a hardheaded or stubborn person. What a rockhead! That’s a stupid thing to do.

Name	Pronounced	Usage
Adamu	-	Old Church Slavic
Lara (1)	LAHR-ə (English), LAH-rah (German, Italian, Spanish, Portuguese)	Russian, English, German, French, Italian, Spanish, Portuguese, Dutch, Hungarian, Slovene, Croatian
Prasenjit	-	Bengali
Jacobus	yah-KO-bus (Dutch)	Dutch, Late Roman
Terence	['terəns]
Detlef	DET-lef (Low German)	Low German, German