be in cloud-cuckoo land

To believe in or be absorbed by unrealistic, idealized, and/or fanciful ideas that are beyond the realms of possibility. If Tom thinks he'll be able to live off his bad poetry, he's in cloud-cuckoo land!

Common Names:

Name	Pronounced	Usage
Friend	[frend]
Gibbs	[gibz]
Nurul	-	Arabic, Indonesian, Malay
Takhmaspa	-	Ancient Persian
Fay	FAY	English
Denys	-	Ukrainian