JM
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
Initialism of John Major, Prime Minister of the United Kingdom from 1990 to 1997.
Register: slang
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “JM” mean?
Initialism of John Major, Prime Minister of the United Kingdom from 1990 to 1997.
Is “JM” formal or informal?
JM is generally slang.