meshuga

and meshugah (məˈʃʊgə)

mod. crazy. (From Hebrew meshuggah via Yiddish.) This guy is meshugah!

Name	Pronounced	Usage
Goldstein	['gəuldsti:n]
Ivey	['aivi]
Mercury	MURK-yə-ree (English)	Roman Mythology (Anglicized)
Gad	GAD (English)	Biblical
Caelan	KAY-lən	English (Rare)
Stew	STOO, STYOO	English