slang Narcotics, especially heroin. Pig Latin for "junk." Hey, pal. Looking to buy a little unk-jay? I have a feeling Tim's back on the unk-jay, judging by the glassy, vacant look in his eyes.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
n. dope; junk. (Underworld. Pig Latin for junk.) The creep deals in unk-jay, you know—narcotics. Stay away from the unk-jay.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.