Space cadet

[Donald Trump]

n. A person who tends to [space out] often. He or she does not respond when directly spoken to. The space cadet is not necessarily a person of low intelligence or a heavy drug user, but rather one who is so easily lost in reverie that he or she loses all awareness of the surrounding physical world.

[Little_Girl]

one that is spacey, that isnt always there

[Jessica]

When people are in their own little world, constantly spaced out of their current surroundings and positions. Often associated with not paying attention, or confusion towards otherwise simple tasks.

[Becky]

To get soo high youre just flying around somewhere in space. Launched pass the moon.

[Justin Bieber]

To be in space, totally out of any conversation.

[Tanya Shivari]

someone who behaves strangely: