doofus

and duffis (ˈdufəs)

n. a jerk; a nerd. Get out, doofus! My roommate is a duffis and I’m tired of putting up with her.

Name	Pronounced	Usage
Yavuz	-	Turkish
Jelica	-	Serbian, Croatian
Kati	KAH-tee (Finnish)	Finnish, Estonian, Hungarian
Katharyn	KATH-ə-rin	English
Zala	-	Slovene
Freyde	-	Yiddish