The newest FAD, satrted at the end of March 2013. Hadouken or Hadouken-ing is Japanese for “wave motion fist”. The goal is to make a picture in which it looks like you have the real street fight power.
This FAD stems from Japan, but is quickly copied around the world even making it to news items in many countries.
Check this for the complete idea, or look around www.FADshow.com for some impressions.