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3. be away with the fairies

be away with the fairies

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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.

See also: away, fairy

be away with the fairies

  (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.

See also: away, fairy