jay(redirected from J)
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n. a marijuana cigarette; marijuana. (Drugs. From the initial letter of joint.) A jay will cost you two clams.
n. a nickname for a police officer. You walk straight, or Peter Jay is going to bust you.
n. dope; junk. (Underworld. Pig Latin for junk.) The creep deals in unk-jay, you know—narcotics. Stay away from the unk-jay.