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.
"Listen Slick, I'm not going to repeat the story a 3rd time just because you're being a Space Cadet."
by ClubChamp March 16, 2015
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A person who is a member of the Air Training Corps. Generally hasn't got much spare time, can find a McDonald's in seconds no matter where they are. Strange obsession for shiny things e.g. Stripes. They are commonly referred to as 'Spaceys' by the RAF. They hate all that is Army and Navy, or they should.
Hey, that weirdo stroking those shiny stripes is an Air Cadet!
by McBabe May 20, 2009
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An alter ego of the famous indie rock folk fusion (irff) band Great Moon. According to the official band website:

From a black hole in the universe, Commander Starlight Omega 1 was born. His quest is to fight the everpresent danger in the deadly oceans of the galaxy. He lives off the sun's rays and thrives off of his deadly excapades. He is our universe's savior and will live forever to protect lifeforms of this galaxy. He has formed Starlight Cadets and the Ocean Deep Treachery to let his quest be known and to straight up jam out.
Person 1: Dude, this new techno band is so edgy and awesome! Who are they???

Person 2: It's Starlight Cadets!
by SkgrBomb October 1, 2009
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A person that keeps tabs on people only through myspace status updates, pictures, and comments; someone who spends so much time on myspace that they lose touch with the real world.
Dude, Robert was so caught up online that he didn't go to class. What a myspace cadet.
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Absolute legend who probs thought a rocket took them to Spain last year but managed to win a trophy in aircraft recognition. Pro navigators who can find any maccies even in the middle of bloody nowhere. Largely obsessed with anything shiny .Better than all of the cadet forces because we're posh and have brains, unlike army and sea cadets who are all abit thick.
Person 1. After dofe I fancy a maccies, do u know where one is?
Person 2. No were in the middle of nowhere

Person 1. Where's the nearest...
Air cadet 1. The nearest McDonald's is exactly 2.76827 miles from our current grid reference, according to my calculations it should take us 3 minutes to drive
by 90spekelad March 22, 2017
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