space cadet

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space cadet

A person considered out of touch with reality. I tried having a serious conversation with her, but she's such a space cadet that I gave up after a few minutes of hearing her ramble on about my aura.
See also: cadet, space

space cadet

1. n. a person who is always silly or giddy. Here comes a space cadet who looks like he has more money than he needs.
2. n. a person who is always high on drugs. The space cadets can usually be found sitting on a bench outside the principal’s office.
See also: cadet, space