An acronym for the word Jerk Move. See Jerk move.
Ughh...Mark is so dumb, he just pulled a JM on me.
by Kagebunshin March 06, 2009
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JM is an abbreviation of Khmer slang phrase (JM=Joy Maray) means "Fuck you".
Sok: I heard that you're pregnant with your pet.
Sao: JM.
by hpsphxxktrx October 24, 2019
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"JM motherfuckers!" from Puff Daddy's famous Outtro to Notorious BIG's "Who Shot Ya?," which, when it was (mis)interpreted by 2Pac and Suge Knight, started the East Coast/West Coast rivalry.
by Callumlikeiseeum October 06, 2010
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N.

An entity or group of individuals that slay pussy at parties and have sex with many women (notorious in New York City)
On New Years, JM got with 18 girls combined.
by Suavvay May 26, 2010
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