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S.F., i.e., abbreviation for San Francisco, California
Arrests for marijuana possession are few and far between in Ess Eff.
Ess Eff by markgg December 28, 2007
Related Words
eff Effie effin effy Effort effeminate effing Effexor effectuating Effit

be eff eff 

stands for Best Friends Forever (bff)
only the realist of friends have the privilege of spelling and saying it like this!
its reserved for the best of friends, those who dont fight and are like sistas from another mista, and they indulge in occassional spooning after a long night of drinking but are strictly dickly.
Yo' them girls K.Frame and C.Murda are the tighests of be eff effs, they got people hatin'!
be eff eff by kdfskfskh January 14, 2008

Gaby eff 

a girl on myspace that people either hate or love
"omg gaby eff just commented my picture"

"eww i hate that bitch"
Gaby eff by julia534654 February 2, 2009
1: A corruption of "da fuck"

2: A way of expressing that what was just said is confusing, stupid, or unexpected.
1: Dude: Hey man, I heard Joe jumped off a cliff!

Other Dude: Da eff?!

2: Dude: I think chickens are people too, man.

Other Dude: Da eff? What are you, retarded?

doubleyou tee eff 

the phonetic names of the letters W, T, and F. See wtf.
Doubleyou tee eff, mate?!
doubleyou tee eff by edski February 14, 2006

double you tee eff 

The elogated form of wtf, without actually saying "what the fuck?"
Double you tee eff! Why did you just say that you idiot?!?!
double you tee eff by Fifi December 23, 2004