Definitions by D burner

F9 

to move on, get over something. (particularly in reference to girls)

originally from the website chatroulette.com where F9 will skip you to the next person

- You're still thinking about her?

- Yeah..

- Dude, F9 that

F9 by D burner February 8, 2010

group theory 

the theory that hot girls only travel in groups of other hot girls. and, if you see a good looking girl alone, stay away. there is something VERY wrong with her.

-Dude, why do all the hottest girls hang out together?
-Don't you know group theory?

group theory by D burner March 21, 2007