This was come up with by a girl in her ninth year of school, also known as freshman year. She thought that the word 'Insane' didn't describe her well enough, but neither did 'Sane', so she switched it up and said 'Out-sane'. The term means 'Sane, but not sane, but not INsane either'. To make it easier to understand it means 'Different' or 'Odd' or, if you prefer, 'Weird'.
Oh... my... gosh... YOUR SO OUT-SANE THINKING LIKE THAT!
... Your out-sane.