Meanings
KJ1
plural KJs
- UScountableslanguncountablePhencyclidine (PCP); also, a marijuana cigarette laced with phencyclidine.
1 more example
This was some other shit, what they smoked, could have been fucking angel dust sprinkled on, they called that KJ. Shit, knowing them that’s exactly why I couldn’t stop my head from bobbing, and why the streetlights were so fucking bright, and mean seeming, and, like, too red. I was glad I only hit it once.
2018, Tommy Orange, “Calvin Jonhson”, in There There, New York, N.Y.: Vintage Books, →ISBN, page 92Synonyms: angel dust, crystal, fairy dust, ill, hog, horse tranquilizer, love boat, magic mist
KJ2
Synonyms & antonyms
nounPhencyclidine (PCP); also, a marijuana cigarette laced with phencyclidine.
Origin
Probably an initialism of crystal (“phencyclidine”) + joint (“marijuana cigarette”).
Full word history & related roots →Cite this entry
KJ. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/KJ
“KJ.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/KJ. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “KJ,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/KJ.
Source: KJ on Wiktionary, CC BY-SA 4.0.