χμμ...θα λέγαμε ότι χρησιμοποιείται κάπως σαν το "(ζω στην) μικρο-κοσμάρα (μου)", αλλά ο ειδικός χρωματισμός της έκφρασης εξαρτάται από το context, προφανώς. Κάποιοι έχουν επιχειρήσει και αυτά:"own private Idaho".This is a phrase taken directly from the 1980 dance pop song, "Your Own Private Idaho" by the outrageous party band, the B-52's. It means "living inside an Idaho potato", or a very small space. Metaphorically, it refers to someone who is not paying attention because he is daydreaming, or under the influence, or otherwise wrapped up within his own very narrow sphere of interest or frame of reference. https://www.urbandictionary.com/define.php?term=Own%20private%20Idaho._____"private Idaho"To live in a utopian world of your own imagination. The term may have been coined when Idaho and the surrounding states came into U.S. possession. The area was thought as a major growth area, so lifelong dreams could be supported there. https://www.urbandictionary.com/define.php?term=Private%20Idaho_____"private Idaho"one's daydreams and the internal landscape they inhabit.http://onlineslangdictionary.com/meaning-definition-of/private-idaho_____In this song, the fine state of Idaho is used to represent a case of paranoia - the lyrics "get out of that state" meaning to get out of that state of mind (...) Why Idaho? Schneider explained to the Idaho Statesman that it was the wacky reputation of the state, saying, "Idaho is pretty mysterious to all of us. I know it's a beautiful state, but then I know there's also a lot of crazy right-wingers and all that stuff." He added, "The song's about all different things. It's not like a parody of Idaho or anything."http://www.songfacts.com/detail.php?id=24064