Being very happy, or being in love.

a feeling of extreme happiness or euphoria, feeling like you're floating on air. Also spelled "cloud nine."

having a feeling of a natural high or when smoking and getting high

This is a level where you can't get any higher. The highest point of getting a high!

getting higher then an astronaut,twisted, basically getting faded out of this world, it is also a liquir.

in a state of complete happiness