The best replacement for wtf is itf.

The best alternatives to wtf are rated as following:
★★★★★  itf
★★★★  ata
★★  ftw
★★  itf taekwondo
★  dead prez
★  ata taekwondo
★  stone golem
★  itf tkd
★  dfu
  we are your friends
  itf sparring
  kukkiwon
  lol
  omg

Your alternative for wtf is not listed? Suggest!
Speaking about wtf, one probably shouldn't forget about marc maron.

Other search terms related to wtf and their ratings are:
★★★★★ marc maron
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