crazy as a loon

Insane. Often used jocularly. Don't leave me alone with Uncle Stu, he's crazy as a loon!

Name	Pronounced	Usage
Matrona	-	Russian, Late Roman
Juliya	YOO-lee-yah (Russian)	Russian, Ukrainian
Queenie	KWEEN-ee	English
Cas	-	Dutch
Ekaterine	-	Georgian
JuhÁN	-	Sami