Special K

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

Meaning · English

Ketamine, used as a hallucinogen.

Register: slang

Where it’s used: Used American English

Examples

Yeah, it's called the euphoric blockbuster and it's supposed to make Special K look weak.

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 “Special K” mean?

Ketamine, used as a hallucinogen.

Is “Special K” formal or informal?

Special K is generally slang.