G-G's are those two items that popular male culture generally obsesses over. They are two fatty masses connected in the upper region of the female body. (Also known as broughs.) G-G's can be used for nursing, and/or can also make a shirt look good.
Your g-g's are getting in my way!
by g-g master December 13, 2010
Get the g-g'smug. 
A phrase used primarily by gamers in the heat of excitement, usually following an epic win which means "Good Fucking Game". A longer version of "GG" (Good Game). Most commonly used after obliterating a person or opponent to let them know their game is weak as fuck.
by Iamzecrim November 7, 2014
Get the G Fucking Gmug.