be away with the fairies

To be a bit crazy. I can't follow what your mom is talking about—it's like she's away with the fairies all of a sudden.

(humorous)

to be slightly mad It's no good asking her to look after the children - she's away with the fairies most of the time.

Name	Pronounced	Usage
Anthea	AN-thee-ə (English)	Greek Mythology (Latinized)
JevgeŅIjs	-	Latvian
Booker	BUWK-ər	English
Rosabella	-	English (Rare)
Derval	-	Irish
Ken	[ken]