Alternate Universe
Having a kick ass orgasm while getting a blumpkin, eating a good sandwich, injecting heroin, watching an awesome film, receiving a nice message and being told you won the lottery.
Example:
tom: fred, you look so serene, man, what happened?
fred: (ecstatically) Alternate universe
tom: No....fucking....way!
tom: fred, you look so serene, man, what happened?
fred: (ecstatically) Alternate universe
tom: No....fucking....way!