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
DobromiŁ	daw-BRAW-meew	Polish (Rare)
Mauricio	mow-REE-thyo (Spanish), mow-REE-syo (Latin American Spanish)	Spanish
Laban	LAY-bən (English)	Biblical
Nielsen	['nilsən]
Rudd	[rʌd]
Edi	-	Slovene, Croatian