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1. jm
Aim shortcut to say just messin'. see jk
johnny: you're gay
joe: :(
johnny:jm
2. jm
short for just messing, successor to jk (just kidding) and jp (just playing)
Boy A: Man I don't know how to tell you this but I assfucked your mom last nite. jm
Boy B: I'm gonna shank you...
3. JM
jelous much?
Speaker 1 : ugly jeans
Speaker 2 JM
4. jm
used on teh internet for "j00r mum"

13370R way of saying ym
omfg jm r 73# u83r 6#3y + j00 oh noes it! OmFgRoFl!
5. JM
To be defensive overly so, and to never admit one was mistaken
My Friend Josh was being so JM the other day, what a dumbass...
Stop being so JM, it was just a joke
6. JM
An acronym for the word Jerk Move. See Jerk move.
Ughh...Mark is so dumb, he just pulled a JM on me.
7. JM
John Mayer
JM is the man
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