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Short for "good story". Used sarcastically to mock someone when they tell an awful story or joke.
Note: A situation, person, or thing can also be considered a GS if it is boring, lame, or not ideal.
1. Person A: Man, that party last night was so fun. What time did you leave?
Person B: I went home at 8 so I could take my dog for a walk.
Person A: GS dude.

2. Person A: Women's rights!
Person B: HAHAHA GS!

3. This party is such a frickin' GS. I'm leaving.
by Sam021 January 23, 2010
Good Samaritan
abby held the door for marsella, shes such a GS!
by GS4life June 01, 2011
Money from Grands or thousands.
A hundered G's = $100.000
by Fangsta March 18, 2003
G's are Gangstas,Listen to Snoop Dogg or Dr.Dre,N.W.A,Ice Cube,
'Aint Nuthin but a G Thang' by Snoop Dogg
by Brad June 01, 2004
golden shower, when one person urinates on another for sexual pleasure.
r.kelly gave that little ho a g.s.
by pisser December 07, 2003
Means "good shot", a common way of complimenting your opponent when they make a good shot in pool or billiards. Used frequently in online pool and billiards games.
random guy: gs
Justaplayer: thanks
by hong the arsenal fan January 22, 2011
G.S. is short for gag session. A gag session is when you choke a bitch with your cock while receiving some aggressive fellatio.
I'm in need of a good G.S.

Bitch, come over here and give daddy a G.S.

Helen provides an amazing gag session.
by Bob the MF Builder February 26, 2014
Gong Show;
One who does stupid things when under the influence of TOO MANY drugs or TOO MUCH alcohol.
"Oh man I was such a GS last night, I don't remember a thing!"
by Evay March 05, 2008