KJ

In real, traceable use. Part of the curated seed collection; community review is coming.

Meaning · English

Phencyclidine (PCP); also, a marijuana cigarette laced with phencyclidine.

Register: slang

Where it’s used: Used American English

Examples

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 i

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Common questions

What does “KJ” mean?

Phencyclidine (PCP); also, a marijuana cigarette laced with phencyclidine.

Is “KJ” formal or informal?

KJ is generally slang.