English · Slang Attested

ab

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

Both English Tiếng Việt

Meaning · English

An abscess caused by injecting an illegal drug, usually heroin.

Nghĩa · Tiếng Việt

áp xe gây ra bởi tiêm thuốc bất hợp pháp, thường là heroin

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Where it’s used: Used American English

Sources & notes

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

Common questions

What does “ab” mean?

An abscess caused by injecting an illegal drug, usually heroin.

Is “ab” formal or informal?

ab is generally slang.

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