JM

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

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

by Raypture June 27, 2009

JMS

Jack My Swag. Made popular by Jenna Rose in her song "My Jeans".

Hahahaha, JMS.

by Trazzle May 22, 2011

JM

To confuse people

Girl1: So you <3 MJ? Michael Jackson
Girl2: Yeh I guess, although its JM. ;)
Girl1: Who's JM?

Girl2: My lover. Lover

by Sx<3x June 11, 2011

JMS

JUGGALO MOB SQUAD 916 OP

oak park nigga!

you roll wit da JMS?

hell yeah!

down wit da clown 4 life!

by lette4life[OP] March 31, 2008

JMS

JACKING MY STEEZ, and exclamation used when niggaz be on ur threads

that foo be straight JMS, jacking my steez

by I am the boss December 22, 2009

jms

Jewish Mother Syndrome; to be really overprotective, grouchy, and an overall bitch; PMSing

Omigosh, my mom has a serious case of JMS! She won't let me go to the movies tonight because she said that I could get raped and kidnapped.

...also....

That girl- Arielle- is SO jms...who shoved a stick up her butt?

by dirrtyyJEW July 23, 2008