GWG 

Game Winning Goal. The goal that provides the winning margin in e.g. a soccer match.

In a 4-2 win for the home team, the home team's third goal was the game winning goal or GWG.

GWG by Norbiz July 29, 2011

GWG 

Short for
Girl with glasses are hotter than girls without glasses because I want to skeet on their Prada frames.

Duuuuuuuuuude GWG on the left with her twin sister!

GWG by lil_j0hn February 22, 2007

GWG 

1. Short for glaucous-winged gull. Used by zoology or avian enthusiasts. Also known as "palindrome on wings" or "palindrome bird."

2. Game Winning Goal (in hockey)

3. Group Within the Group

Birder: Oh look! It's a GWG! And I say that because I'm too lazy to spell/say the full name!

Sports Fan: Did you see that GWG? It broke the tie!
Buddy: No! Who won?

GWG by BlueSeagull March 12, 2009

gwg 

Used in online RPGs where characters communicate with words bubbles that disappear after a short time. GWG stands for 'go when gone', which means an activity should take place after that particular word bubble disappears (usually used in RPG duels).

Player 1 :Duel?
Player 2 : ok, gwg

gwg by JimE Ray January 25, 2005

gwg 

generic white guy

Guy 1: did you see john tryin to rap
Guy 2: Yeah he's such a gwg

gwg by summersun9604 June 30, 2015

gwg 

"Girl Water Girl": Created in response to the intricate way one would show how "lol" is pronounced to resemble french words. Girl Water Girl = Elle Eaux Elle = LOL

Joe: Hey...you like men.

Bob: No your mom likes men GWG

OR

Tom: Hey the example above doesn't make sense

Gary: GWG I KNOW!

gwg by DjBlack and Bigg July 8, 2005

gwg 

Stands for 'giggling with glee'
Used in chat rooms, similar to lol

person A: *tells joke*
person B: gwg! your so funny!!

gwg by Kapu37 November 2, 2006