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The term "fifty one fifty" derives from California Welfare & Institutions Code section 5150, the provision that allows for a person to be held in involuntary psychiatric lockdown for up to three days if that person is deemed to be a danger to himself or others. It isnow used as slang for crazy, etc.
He's a real fiftyone fifty. Alt: They hauled him in on a fiftyone fifty.
by ficklefinger April 21, 2010
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A hold for the physiological insane persons!
i was so Fifty one fifty the otha night at that cray ass party the other night brody!
by sneakholdadakeak January 07, 2012
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