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dirty 30

American  
[dur-tee thir-tee] / ˈdɜr ti ˈθɪr ti /

noun

Slang.

  1. a counterfeit 30-milligram oxycodone pill laced with or containing only fentanyl.

Etymology

Origin of dirty 30

First recorded in 2021

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.