nitwit

n. someone who behaves stupidly. (Also a term of address.) Please stop acting like a nitwit all the time.

Name	Pronounced	Usage
Gretta	GRET-ə	English
Somarli&Eth;R	-	Ancient Scandinavian
Petrica	-	Romanian
&Aelig;Bbe	-	Anglo-Saxon
Marcos	['ma:kəus]
Fedora	-	Russian