be stark raving mad

(British, American & Australian) also be stark staring mad (British)

to be completely crazy She looked at me as though she thought I was stark raving mad.

Name	Pronounced	Usage
FinnÁN	-	Irish
Tadeusz	tah-DE-uwsh	Polish
Khayyam	-	Arabic
Melati	-	Indonesian, Malay
Varsha	-	Indian, Hindi, Marathi, Gujarati, Tamil
Jodocus	yo-DO-kəs (Dutch)	Dutch (Archaic), Ancient Celtic (Latinized)