meth mouth
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
Extreme tooth decay resulting from the long-term use of methamphetamine.
Register: slang
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 “meth mouth” mean?
Extreme tooth decay resulting from the long-term use of methamphetamine.
Is “meth mouth” formal or informal?
meth mouth is generally slang.