by Ball liker 69 December 08, 2021
by Ckopapyk September 15, 2004
Secretly Fat. Someone who looks great when clothed, but during a hook up, you realize he/she is secretly fat.
After yesterday afternoon's hookup, Chris realized that underneath the sharp looking suits, Todd was actually SF.
by Carlito in Adams Morgan March 20, 2006
by Damian Yerrick January 29, 2004
Don't try to keep up with Kevin. Better to just chill out 'n keep your money in your pocket, holmes. YMMV but he is the king of the sfs.
by seamus shane December 01, 2006