acronym for 'so far gone'. Can refer to someone literally or figuratively.
-Man, you see that kid? He is wasted.
--Yeah he's SFG.
*You hear what O'Donnell did during the football game? He's SFG.
**Yeah they'll string him by his panties for that one....
"So fucking Goldsmiths"
Someone who attends Goldsmiths University and acts and dresses in a particularly "cool", arty or "individual" way typical of the univerisity's reputation.
You'd know someone who's SFG once you've seen them.
abbreviation for "so fucking good"
-"holy shit, remember that awesome thing?"
Sad Fat Girl. The girl amongst a group of hot girls who is fat and sad about it. Often a cock block since she will only become more sad when men hit on her friends.
Check out the group of hot chicks. Oh wait, I see an SFG in there. One of us will have to take one for the team.
"So Fucking Gay."Gay as in the sense of the word "lame," not of the homosexual or gaiety variety. Used in response to someone who likes to post a lot of lame acronyms online. Synonymous with stfu.
Guy 1: Knowing the teacher watched you throw a fatty in and didnt say a word TFM
Guy 2: SFG
Stupid fat girl. A SFG is often mindblowingly stupid and annoying.
Woah, look at that SFG.
sfg = Stupid Fuckin' Guy!
"Heather, you're being such an SFG!"