wygiwyntyh

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

What You Get Is What You Never Thought You Had
WYGIWYNTYH

   <jargon> (WYGIWYNTYH) A jibe at {WYSIWYG} systems that fail in
   their stated aim by rendering documents differently on screen
   and on paper.

   (1999-06-15)

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

WYGIWYNTYH
       What You Get Is What You Never Thought You Had (slang)