General
horse
What does horse mean?
A prison officer who smuggles contraband for inmates — phones, drugs, tobacco, whatever pays. 'Horse' because they carry the load in and out. The single most valuable asset an inside crew can have, and the riskiest one to lose.
"Their whole phone operation collapsed when the horse got transferred."
Frequently asked questions
What does "horse" mean in prison slang?
It refers to a bent (corrupt) prison guard who runs contraband for inmates.
How do you use "horse" in a sentence?
"He's got a horse on the wing who brings the phones in."
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