WTF

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

   who/what/why the fuck?  The universal interrogative particle.
   Also {WTH}.
from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)
WTF
       What / Where / Who / Why The Fuck (telecommunication, Usenet,
IRC)
antiflux / dictionary / WTF
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