a space cadet

(humorous)

a strange or crazy person I wouldn't trust him with the children - he's a real space cadet.

Name	Pronounced	Usage
Rayhana	-	Arabic
Jules (1)	ZHUYL	French
Othmar	-	German, Czech, Ancient Germanic
Jehiel	jee-HIE-əl (English)	Biblical
Shankara	-	Hinduism
Debra	DEB-rə	English