2)a fictional reality that a person creates and "lives" in. Can refer to a lifestyle, persona or state of mind.
3) the place you are when you are technically lost.
"I saw Britney spears wearing the pink wig last week, looks like she's back in Fadoozyland"
A: "Dude, where the fuck are we?"
B: "shit I don't know, Fadoozyland?