'cloud-cuckoo-land' definitions:

Definition of 'cloud-cuckoo-land'

(from WordNet)
noun
An imaginary place where you say people are when they seem optimistically out of touch with reality

Definition of 'cloud-cuckoo-land'

From: GCIDE
  • cloud-cuckoo-land \cloud-cuckoo-land\ n. an imaginary place where fantasy and illusion predominate; it is a place where you say people are when they seem optimistically out of touch with reality. [WordNet 1.5 +PJC]