see also mullet. this is an acronym for Short Front, Long Back. another common phrase is 10-90.
the dude keeps his hair business in front party in back. hes got a sflb.
by kirk November 22, 2004
A haircut which is short in the front, and long in the back. Used around Southern California a lot before the more universal term "mullet" became popular, especially in Orange County. Pronounced SVELBEE/SFELBEE or shortened to SFELB.
I'm not going out in public with you until you cut that S.F.L.B.!
by greta von November 08, 2008