pronounced Jii-Emm, but doesnt mean the same thing
dude, mate, etc
a name you call your friend when you greet them or bid them farewell
Guy1: Hey! Whats up JM?
Guy2: Hey JM, nothing new.

or

Chick1: I gotta go
Chick2: See ya JM!
by KatnuttKATASTROPHE January 4, 2009
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JMS is Constantinople. (from song Istanbul is Constantinople)
He is also a man of many songs.
An Arabian chant, a jungle yell, "dum dum dum JMS bites the dust", "JMS dum dum dum ftl", "OMG JMS", etc.
SUPERMAN THAT (J|M|S)!

JMS is Constantinople! JMS is Constantinople! JMS is Constantinople!
by chrick January 25, 2008
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The act of being sexually stimulated through exesively large nostrils
Mr. mckinly may i Jm you and finish right in those gorgeous nostrils.
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A shortcut word for joy m‘ray in khmer.
Meaning: fuck your mama
by bitch lasaga18 October 27, 2019
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Abbreviation for Jew MacGoo - a suburban anglo colloquialism for a non Jewish person who is frugal when it comes to monetary matters.
You're the only person I know who buys diapers and expired protein shakes at Big Lots, you JM!
by White Stank January 10, 2010
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The JM Simp is a sub-species of mother fucker, as he is a major simp, and the opposite of an anime protagonist chad. He thinks that he pulls, but the only time that a girl has interacted with him was giving him a baked muffin in the kitchen (where women belong).
Did you hear? That JM Simp was found outside of Camberwell High School accepting a baked muffin from a stupid woman!
by Non-Josh Gezzley Enjoyer August 18, 2022
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