Kookastan
A person inhabiting the qualities of someone who is not mentally sound or is bordering on insanity. Otherwise referred to as a place where mentally delusional people reside.
She's over there talking to herself again; that girl is 100% Kookastan.
If he thinks she's going to go out with him, he must be living in Kookastan.
If he thinks she's going to go out with him, he must be living in Kookastan.