DuckCorp Dico

Found one definition

1.                 From The Jargon File (version 4.4.7, 29 Dec 2003):
                   
   
   
                   
                     
   PFY
    n.
       [Usenet; common, originally from the BOFH mythos] Abbreviation for
       Pimply-Faced Youth. A BOFH in training, esp. one apprenticed to an elder
       BOFH aged in evil.