The Collaborative International Dictionary
cloud-cuckoo-land
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.
Wiktionary
cloud-cuckoo-land
n. An imaginary place where silly or unrealistic people metaphorically reside.
WordNet
cloud-cuckoo-land
n. an imaginary place where you say people are when they seem optimistically out of touch with reality
Usage examples of "cloud-cuckoo-land".
I'm not educated in the way George is, I don't float around in cloud-cuckoo-land or wander among the groves of academe.
In the cloud-cuckoo-land of Videssian honorifics, spatharios was the vaguest, but few imperials would poke fun at their own pretensions.