Definitions by MANAX

OYFG 

OMFG means "Oh My Fugking God!"
OYFG is an opposition, and a way of expressing the same shock, but while showing that the person that said it isn't a christian. There are other variations aswell such as OYFS as in Oh My Fucking Satan for satanists.

OYFG! Shut the fuck up about Jesus!

OYFG by MANAX August 1, 2007