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.
Don't bother trying to get her attention, she's being a space cadet.
one that is spacey, that isn't always there
"Holly is such a space cadet, she catches on so slowly"
Someone who just spaces out all the time, usually when they should be doing something productive instead.
I was a Space-Cadet in history class, so I missed all the assignments and I'm going fail this stupid course!
A person who is high on drugs.
I'm a mafuckin spacecadet.
Someone who is really freaky.
stop looking at me you spacecadet
A group of pot-smoking gentlemen who smoke gargantuan amounts of marijuana then go on epic adventures. They have certain hide-outs in which they smoke. This began in may of 2009 and started by two straight months of tent parties.
space cadets hideout, strom's backyard, steezy's attic, etc.
To be in space, totally out of any conversation.
My mom is a space cadet, she never remembers anything i say. Even when i scream at her.