g2s 

Short for go to sleep. Used for people who are up all hours of the night playing on their computer.

Dude, log off WoW and g2s.

g2s by Jahamaville December 28, 2007

g2s 

got to stay, reponse to g2g (got to go)

IM Buddy 1: sorry dude, g2g
IM Buddy 2: no you g2s!

g2s by staRJ November 14, 2007

g2s 

g2s stands for Goody-Two-Shoes; someone who is an "angel" and sucks up to a person of authority in order to get into their "good books".

Ugh, I hate that girl; she's such a g2s.

g2s by asdfjklkjfdsa June 1, 2007