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1.
JG
The gaming abbreviation of Jeff Goldblum, typed or yelled when you are in danger and need to be saved.

Like that time in Jurassic Park when Jeff Goldblum saved that dude by waving a flare around to distract the T-Rex.
Player 1: *attacked by a hoard of zombies in L4D* "JG JG!!!!"

Player 2: "Hang in there!"
by rxwxtxfallenx May 21, 2010
 
2.
JG
JG, otherwise known as Juicy Gossip. Used to describe gossip that is particularly succulent, often concerning specific individuals.
OMG did you hear the JG about Nick and Rachel?
by boffintim June 15, 2010
 
3.
JG
Jealous Girl. A girl who is only a friend of a guy, yet is totally jealous of any attention he gets from other women.
DHG is so hot!! Too bad JG keeps mean mugging me, every time I want to talk to him!
by MeNeverU April 14, 2010
 
4.
refering to a Jungle Gym - an extremely sexy tall man
look at that firefighter he is such a J.G.
by josiegorsie February 13, 2008
 
5.
jg
The verb of Jew. To be cheap.
Noun version, JG abbreviation for Jewgen aka Jew.
Why am I paying for two rounds in a row of drinks, you are JG'ing me!
by benoitbarnes December 07, 2008
 
6.
JG
To take load off the way too used abb. LOL, JG will work for the normal smile, so LOL can be used for its real purpose, being the times you actually laugh out loud. JG then meaning Just Grinning.
ON CHAT..
Person 1: So he dropped it in my coffeecup..
Person 2: JG.
by Knuti June 08, 2006
 
7.
JG
abbrevation for "just gay"
You don't think Jessica Alba is fine? Fool, you JG!
by Martel November 14, 2004