which stands for nothing

from The Free On-line Dictionary of Computing (8 July 2008)

Which Stands For Nothing
WSFN

   <language> (WSFN) A beginner's language with emphasis on
   graphics produced by {Atari} in 1983 for {Atari} home
   computers.  There is also {Advanced WSFN}.

   (1996-06-12)