M/m
also known as M/m, Mm
Notation indicating a dynamic in which both parties are men, with a Dominant and a submissive.
Definition
Expanded form: Male Dominant / male submissive
M/m follows the shared slash convention. It is a common notation in Leather community writing and gay male BDSM circles.
Discussion
M/m appears widely in Leather and gay male Lifestyle publications and profiles.