Military slang for one who is due for dismissal through a Section 8 proceeding; crazy, mentally unfit, disturbed, disorganized, psychologically disturbed, a psychopath.

Also referred to "Eleven up and three down." Also referred to as "8 up like an apple."
We need to send Bobby downrange--he's all eight up!
by Johnny Redleg June 13, 2007
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Stoned to the point where your limbs and brain are no longer communicating. Inspired by the octopus emoji, which can be used to describe a stoned state. An octopus's limbs have their own nervous system independent of its brain.
Dude, I'm so baked I'm eight legs up!
by CuriousAlice August 10, 2015
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If you hold up eight (4 on each hand), you only like someone of the same gender because you got rejected by the opposite gender and now you're desperate.
He held eight fingers up, bitches don't like him.
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