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(Prison/Jail Term) Any person who is mentally unstable or requires psyche drugs to maintain.
That fool over there talking to himself, walking like a chicken is a J Cat.
by Wood Dawger October 02, 2005
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2
Otherwise known as "Category J" in the California Penal Code, it refers to an inmate deemed too mentally unstable to remain in General Population.
"Motherfucker went J Cat on someone in the yard; now he's in ADSEG."
by J. Knox April 22, 2008
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4
a person who doesn't know how to act in jail (when in jail)
These new bitches in are tank are straight j-cats.
That fool keeps cattin off.
by Maguire Corrections October 11, 2010
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