have a moonflaw in the brain

To act very strangely. A "moonflaw" is an obsolete term to describe an odd trait or behavior seemingly influenced by the moon. The way she runs about in a frenzy when the sun goes down makes me wonder if she has a moonflaw in the brain.

Common Names:

Name	Pronounced	Usage
Stefanija	-	Macedonian
Elise	e-LEE-zə (German), e-LEE-se (Norwegian, Danish, Swedish), i-LEES (English), i-LEEZ (English)	German, Norwegian, Danish, Swedish, Dutch, English
Frida	-	Swedish, Norwegian, Danish, Ancient Germanic
Bertilo	-	Ancient Germanic
Burchard	BOOR-kahrt (German)	German, Ancient Germanic
Tudur	-	Welsh